1/*
2   +----------------------------------------------------------------------+
3   | Zend Engine                                                          |
4   +----------------------------------------------------------------------+
5   | Copyright (c) 1998-2018 Zend Technologies Ltd. (http://www.zend.com) |
6   +----------------------------------------------------------------------+
7   | This source file is subject to version 2.00 of the Zend license,     |
8   | that is bundled with this package in the file LICENSE, and is        |
9   | available through the world-wide-web at the following url:           |
10   | http://www.zend.com/license/2_00.txt.                                |
11   | If you did not receive a copy of the Zend license and are unable to  |
12   | obtain it through the world-wide-web, please send a note to          |
13   | license@zend.com so we can mail you a copy immediately.              |
14   +----------------------------------------------------------------------+
15   | Authors: Andi Gutmans <andi@php.net>                                 |
16   |          Zeev Suraski <zeev@php.net>                                 |
17   |          Andrei Zmievski <andrei@php.net>                            |
18   |          Dmitry Stogov <dmitry@php.net>                              |
19   +----------------------------------------------------------------------+
20*/
21
22#include "zend.h"
23#include "zend_execute.h"
24#include "zend_API.h"
25#include "zend_modules.h"
26#include "zend_extensions.h"
27#include "zend_constants.h"
28#include "zend_interfaces.h"
29#include "zend_exceptions.h"
30#include "zend_closures.h"
31#include "zend_inheritance.h"
32
33#ifdef HAVE_STDARG_H
34#include <stdarg.h>
35#endif
36
37/* these variables are true statics/globals, and have to be mutex'ed on every access */
38ZEND_API HashTable module_registry;
39
40static zend_module_entry **module_request_startup_handlers;
41static zend_module_entry **module_request_shutdown_handlers;
42static zend_module_entry **module_post_deactivate_handlers;
43
44static zend_class_entry  **class_cleanup_handlers;
45
46ZEND_API int _zend_get_parameters_array_ex(int param_count, zval *argument_array) /* {{{ */
47{
48	zval *param_ptr;
49	int arg_count;
50
51	param_ptr = ZEND_CALL_ARG(EG(current_execute_data), 1);
52	arg_count = ZEND_CALL_NUM_ARGS(EG(current_execute_data));
53
54	if (param_count>arg_count) {
55		return FAILURE;
56	}
57
58	while (param_count-->0) {
59		ZVAL_COPY_VALUE(argument_array, param_ptr);
60		argument_array++;
61		param_ptr++;
62	}
63
64	return SUCCESS;
65}
66/* }}} */
67
68ZEND_API int zend_copy_parameters_array(int param_count, zval *argument_array) /* {{{ */
69{
70	zval *param_ptr;
71	int arg_count;
72
73	param_ptr = ZEND_CALL_ARG(EG(current_execute_data), 1);
74	arg_count = ZEND_CALL_NUM_ARGS(EG(current_execute_data));
75
76	if (param_count>arg_count) {
77		return FAILURE;
78	}
79
80	while (param_count-->0) {
81		Z_TRY_ADDREF_P(param_ptr);
82		zend_hash_next_index_insert_new(Z_ARRVAL_P(argument_array), param_ptr);
83		param_ptr++;
84	}
85
86	return SUCCESS;
87}
88/* }}} */
89
90ZEND_API ZEND_COLD void zend_wrong_param_count(void) /* {{{ */
91{
92	const char *space;
93	const char *class_name = get_active_class_name(&space);
94
95	zend_internal_argument_count_error(ZEND_ARG_USES_STRICT_TYPES(), "Wrong parameter count for %s%s%s()", class_name, space, get_active_function_name());
96}
97/* }}} */
98
99/* Argument parsing API -- andrei */
100ZEND_API char *zend_get_type_by_const(int type) /* {{{ */
101{
102	switch(type) {
103		case IS_FALSE:
104		case IS_TRUE:
105		case _IS_BOOL:
106			return "bool";
107		case IS_LONG:
108			return "int";
109		case IS_DOUBLE:
110			return "float";
111		case IS_STRING:
112			return "string";
113		case IS_OBJECT:
114			return "object";
115		case IS_RESOURCE:
116			return "resource";
117		case IS_NULL:
118			return "null";
119		case IS_CALLABLE:
120			return "callable";
121		case IS_ITERABLE:
122			return "iterable";
123		case IS_ARRAY:
124			return "array";
125		case IS_VOID:
126			return "void";
127		case _IS_NUMBER:
128			return "number";
129		default:
130			return "unknown";
131	}
132}
133/* }}} */
134
135ZEND_API char *zend_zval_type_name(const zval *arg) /* {{{ */
136{
137	ZVAL_DEREF(arg);
138	return zend_get_type_by_const(Z_TYPE_P(arg));
139}
140/* }}} */
141
142ZEND_API zend_string *zend_zval_get_type(const zval *arg) /* {{{ */
143{
144	switch (Z_TYPE_P(arg)) {
145		case IS_NULL:
146			return ZSTR_KNOWN(ZEND_STR_NULL);
147		case IS_FALSE:
148		case IS_TRUE:
149			return ZSTR_KNOWN(ZEND_STR_BOOLEAN);
150		case IS_LONG:
151			return ZSTR_KNOWN(ZEND_STR_INTEGER);
152		case IS_DOUBLE:
153			return ZSTR_KNOWN(ZEND_STR_DOUBLE);
154		case IS_STRING:
155			return ZSTR_KNOWN(ZEND_STR_STRING);
156		case IS_ARRAY:
157			return ZSTR_KNOWN(ZEND_STR_ARRAY);
158		case IS_OBJECT:
159			return ZSTR_KNOWN(ZEND_STR_OBJECT);
160		case IS_RESOURCE:
161			if (zend_rsrc_list_get_rsrc_type(Z_RES_P(arg))) {
162				return ZSTR_KNOWN(ZEND_STR_RESOURCE);
163			} else {
164				return ZSTR_KNOWN(ZEND_STR_CLOSED_RESOURCE);
165			}
166		default:
167			return NULL;
168	}
169}
170/* }}} */
171
172ZEND_API ZEND_COLD int ZEND_FASTCALL zend_wrong_parameters_none_error(void) /* {{{ */
173{
174	int num_args = ZEND_CALL_NUM_ARGS(EG(current_execute_data));
175	zend_function *active_function = EG(current_execute_data)->func;
176	const char *class_name = active_function->common.scope ? ZSTR_VAL(active_function->common.scope->name) : "";
177
178	zend_internal_argument_count_error(
179				ZEND_ARG_USES_STRICT_TYPES(),
180				"%s%s%s() expects %s %d parameter%s, %d given",
181				class_name, \
182				class_name[0] ? "::" : "", \
183				ZSTR_VAL(active_function->common.function_name),
184				"exactly",
185				0,
186				"s",
187				num_args);
188	return FAILURE;
189}
190/* }}} */
191
192ZEND_API ZEND_COLD int ZEND_FASTCALL zend_wrong_parameters_none_exception(void) /* {{{ */
193{
194	int num_args = ZEND_CALL_NUM_ARGS(EG(current_execute_data));
195	zend_function *active_function = EG(current_execute_data)->func;
196	const char *class_name = active_function->common.scope ? ZSTR_VAL(active_function->common.scope->name) : "";
197
198	zend_internal_argument_count_error(
199				1,
200				"%s%s%s() expects %s %d parameter%s, %d given",
201				class_name, \
202				class_name[0] ? "::" : "", \
203				ZSTR_VAL(active_function->common.function_name),
204				"exactly",
205				0,
206				"s",
207				num_args);
208	return FAILURE;
209}
210/* }}} */
211
212ZEND_API ZEND_COLD void ZEND_FASTCALL zend_wrong_parameters_count_error(int min_num_args, int max_num_args) /* {{{ */
213{
214	int num_args = ZEND_CALL_NUM_ARGS(EG(current_execute_data));
215	zend_function *active_function = EG(current_execute_data)->func;
216	const char *class_name = active_function->common.scope ? ZSTR_VAL(active_function->common.scope->name) : "";
217
218	zend_internal_argument_count_error(
219				ZEND_ARG_USES_STRICT_TYPES(),
220				"%s%s%s() expects %s %d parameter%s, %d given",
221				class_name, \
222				class_name[0] ? "::" : "", \
223				ZSTR_VAL(active_function->common.function_name),
224				min_num_args == max_num_args ? "exactly" : num_args < min_num_args ? "at least" : "at most",
225				num_args < min_num_args ? min_num_args : max_num_args,
226				(num_args < min_num_args ? min_num_args : max_num_args) == 1 ? "" : "s",
227				num_args);
228}
229/* }}} */
230
231ZEND_API ZEND_COLD void ZEND_FASTCALL zend_wrong_parameters_count_exception(int min_num_args, int max_num_args) /* {{{ */
232{
233	int num_args = ZEND_CALL_NUM_ARGS(EG(current_execute_data));
234	zend_function *active_function = EG(current_execute_data)->func;
235	const char *class_name = active_function->common.scope ? ZSTR_VAL(active_function->common.scope->name) : "";
236
237	zend_internal_argument_count_error(
238				1,
239				"%s%s%s() expects %s %d parameter%s, %d given",
240				class_name, \
241				class_name[0] ? "::" : "", \
242				ZSTR_VAL(active_function->common.function_name),
243				min_num_args == max_num_args ? "exactly" : num_args < min_num_args ? "at least" : "at most",
244				num_args < min_num_args ? min_num_args : max_num_args,
245				(num_args < min_num_args ? min_num_args : max_num_args) == 1 ? "" : "s",
246				num_args);
247}
248/* }}} */
249
250ZEND_API ZEND_COLD void ZEND_FASTCALL zend_wrong_parameter_type_error(int num, zend_expected_type expected_type, zval *arg) /* {{{ */
251{
252	const char *space;
253	const char *class_name = get_active_class_name(&space);
254	static const char * const expected_error[] = {
255		Z_EXPECTED_TYPES(Z_EXPECTED_TYPE_STR)
256		NULL
257	};
258
259	zend_internal_type_error(ZEND_ARG_USES_STRICT_TYPES(), "%s%s%s() expects parameter %d to be %s, %s given",
260		class_name, space, get_active_function_name(), num, expected_error[expected_type], zend_zval_type_name(arg));
261}
262/* }}} */
263
264ZEND_API ZEND_COLD void ZEND_FASTCALL zend_wrong_parameter_type_exception(int num, zend_expected_type expected_type, zval *arg) /* {{{ */
265{
266	const char *space;
267	const char *class_name = get_active_class_name(&space);
268	static const char * const expected_error[] = {
269		Z_EXPECTED_TYPES(Z_EXPECTED_TYPE_STR)
270		NULL
271	};
272
273	zend_internal_type_error(1, "%s%s%s() expects parameter %d to be %s, %s given",
274		class_name, space, get_active_function_name(), num, expected_error[expected_type], zend_zval_type_name(arg));
275}
276/* }}} */
277
278ZEND_API ZEND_COLD void ZEND_FASTCALL zend_wrong_parameter_class_error(int num, char *name, zval *arg) /* {{{ */
279{
280	const char *space;
281	const char *class_name = get_active_class_name(&space);
282
283	zend_internal_type_error(ZEND_ARG_USES_STRICT_TYPES(), "%s%s%s() expects parameter %d to be %s, %s given",
284		class_name, space, get_active_function_name(), num, name, zend_zval_type_name(arg));
285}
286/* }}} */
287
288ZEND_API ZEND_COLD void ZEND_FASTCALL zend_wrong_parameter_class_exception(int num, char *name, zval *arg) /* {{{ */
289{
290	const char *space;
291	const char *class_name = get_active_class_name(&space);
292
293	zend_internal_type_error(1, "%s%s%s() expects parameter %d to be %s, %s given",
294		class_name, space, get_active_function_name(), num, name, zend_zval_type_name(arg));
295}
296/* }}} */
297
298ZEND_API ZEND_COLD void ZEND_FASTCALL zend_wrong_callback_error(int num, char *error) /* {{{ */
299{
300	const char *space;
301	const char *class_name = get_active_class_name(&space);
302
303	zend_internal_type_error(ZEND_ARG_USES_STRICT_TYPES(), "%s%s%s() expects parameter %d to be a valid callback, %s",
304		class_name, space, get_active_function_name(), num, error);
305	efree(error);
306}
307/* }}} */
308
309ZEND_API ZEND_COLD void ZEND_FASTCALL zend_wrong_callback_exception(int num, char *error) /* {{{ */
310{
311	const char *space;
312	const char *class_name = get_active_class_name(&space);
313
314	zend_internal_type_error(1, "%s%s%s() expects parameter %d to be a valid callback, %s",
315		class_name, space, get_active_function_name(), num, error);
316	efree(error);
317}
318/* }}} */
319
320ZEND_API ZEND_COLD void ZEND_FASTCALL zend_wrong_callback_deprecated(int num, char *error) /* {{{ */
321{
322	const char *space;
323	const char *class_name = get_active_class_name(&space);
324
325	zend_error(E_DEPRECATED, "%s%s%s() expects parameter %d to be a valid callback, %s",
326		class_name, space, get_active_function_name(), num, error);
327	efree(error);
328}
329/* }}} */
330
331ZEND_API int ZEND_FASTCALL zend_parse_arg_class(zval *arg, zend_class_entry **pce, int num, int check_null) /* {{{ */
332{
333	zend_class_entry *ce_base = *pce;
334
335	if (check_null && Z_TYPE_P(arg) == IS_NULL) {
336		*pce = NULL;
337		return 1;
338	}
339	convert_to_string_ex(arg);
340	*pce = zend_lookup_class(Z_STR_P(arg));
341	if (ce_base) {
342		if ((!*pce || !instanceof_function(*pce, ce_base))) {
343			const char *space;
344			const char *class_name = get_active_class_name(&space);
345
346			zend_internal_type_error(ZEND_ARG_USES_STRICT_TYPES(), "%s%s%s() expects parameter %d to be a class name derived from %s, '%s' given",
347				class_name, space, get_active_function_name(), num,
348				ZSTR_VAL(ce_base->name), Z_STRVAL_P(arg));
349			*pce = NULL;
350			return 0;
351		}
352	}
353	if (!*pce) {
354		const char *space;
355		const char *class_name = get_active_class_name(&space);
356
357		zend_internal_type_error(ZEND_ARG_USES_STRICT_TYPES(), "%s%s%s() expects parameter %d to be a valid class name, '%s' given",
358			class_name, space, get_active_function_name(), num,
359			Z_STRVAL_P(arg));
360		return 0;
361	}
362	return 1;
363}
364/* }}} */
365
366ZEND_API int ZEND_FASTCALL zend_parse_arg_bool_weak(zval *arg, zend_bool *dest) /* {{{ */
367{
368	if (EXPECTED(Z_TYPE_P(arg) <= IS_STRING)) {
369		*dest = zend_is_true(arg);
370	} else {
371		return 0;
372	}
373	return 1;
374}
375/* }}} */
376
377ZEND_API int ZEND_FASTCALL zend_parse_arg_bool_slow(zval *arg, zend_bool *dest) /* {{{ */
378{
379	if (UNEXPECTED(ZEND_ARG_USES_STRICT_TYPES())) {
380		return 0;
381	}
382	return zend_parse_arg_bool_weak(arg, dest);
383}
384/* }}} */
385
386ZEND_API int ZEND_FASTCALL zend_parse_arg_long_weak(zval *arg, zend_long *dest) /* {{{ */
387{
388	if (EXPECTED(Z_TYPE_P(arg) == IS_DOUBLE)) {
389		if (UNEXPECTED(zend_isnan(Z_DVAL_P(arg)))) {
390			return 0;
391		}
392		if (UNEXPECTED(!ZEND_DOUBLE_FITS_LONG(Z_DVAL_P(arg)))) {
393			return 0;
394		} else {
395			*dest = zend_dval_to_lval(Z_DVAL_P(arg));
396		}
397	} else if (EXPECTED(Z_TYPE_P(arg) == IS_STRING)) {
398		double d;
399		int type;
400
401		if (UNEXPECTED((type = is_numeric_str_function(Z_STR_P(arg), dest, &d)) != IS_LONG)) {
402			if (EXPECTED(type != 0)) {
403				if (UNEXPECTED(zend_isnan(d))) {
404					return 0;
405				}
406				if (UNEXPECTED(!ZEND_DOUBLE_FITS_LONG(d))) {
407					return 0;
408				} else {
409					*dest = zend_dval_to_lval(d);
410				}
411			} else {
412				return 0;
413			}
414		}
415	} else if (EXPECTED(Z_TYPE_P(arg) < IS_TRUE)) {
416		*dest = 0;
417	} else if (EXPECTED(Z_TYPE_P(arg) == IS_TRUE)) {
418		*dest = 1;
419	} else {
420		return 0;
421	}
422	return 1;
423}
424/* }}} */
425
426ZEND_API int ZEND_FASTCALL zend_parse_arg_long_slow(zval *arg, zend_long *dest) /* {{{ */
427{
428	if (UNEXPECTED(ZEND_ARG_USES_STRICT_TYPES())) {
429		return 0;
430	}
431	return zend_parse_arg_long_weak(arg, dest);
432}
433/* }}} */
434
435ZEND_API int ZEND_FASTCALL zend_parse_arg_long_cap_weak(zval *arg, zend_long *dest) /* {{{ */
436{
437	if (EXPECTED(Z_TYPE_P(arg) == IS_DOUBLE)) {
438		if (UNEXPECTED(zend_isnan(Z_DVAL_P(arg)))) {
439			return 0;
440		}
441		*dest = zend_dval_to_lval_cap(Z_DVAL_P(arg));
442	} else if (EXPECTED(Z_TYPE_P(arg) == IS_STRING)) {
443		double d;
444		int type;
445
446		if (UNEXPECTED((type = is_numeric_str_function(Z_STR_P(arg), dest, &d)) != IS_LONG)) {
447			if (EXPECTED(type != 0)) {
448				if (UNEXPECTED(zend_isnan(d))) {
449					return 0;
450				}
451				*dest = zend_dval_to_lval_cap(d);
452			} else {
453				return 0;
454			}
455		}
456	} else if (EXPECTED(Z_TYPE_P(arg) < IS_TRUE)) {
457		*dest = 0;
458	} else if (EXPECTED(Z_TYPE_P(arg) == IS_TRUE)) {
459		*dest = 1;
460	} else {
461		return 0;
462	}
463	return 1;
464}
465/* }}} */
466
467ZEND_API int ZEND_FASTCALL zend_parse_arg_long_cap_slow(zval *arg, zend_long *dest) /* {{{ */
468{
469	if (UNEXPECTED(ZEND_ARG_USES_STRICT_TYPES())) {
470		return 0;
471	}
472	return zend_parse_arg_long_cap_weak(arg, dest);
473}
474/* }}} */
475
476ZEND_API int ZEND_FASTCALL zend_parse_arg_double_weak(zval *arg, double *dest) /* {{{ */
477{
478	if (EXPECTED(Z_TYPE_P(arg) == IS_LONG)) {
479		*dest = (double)Z_LVAL_P(arg);
480	} else if (EXPECTED(Z_TYPE_P(arg) == IS_STRING)) {
481		zend_long l;
482		int type;
483
484		if (UNEXPECTED((type = is_numeric_str_function(Z_STR_P(arg), &l, dest)) != IS_DOUBLE)) {
485			if (EXPECTED(type != 0)) {
486				*dest = (double)(l);
487			} else {
488				return 0;
489			}
490		}
491	} else if (EXPECTED(Z_TYPE_P(arg) < IS_TRUE)) {
492		*dest = 0.0;
493	} else if (EXPECTED(Z_TYPE_P(arg) == IS_TRUE)) {
494		*dest = 1.0;
495	} else {
496		return 0;
497	}
498	return 1;
499}
500/* }}} */
501
502ZEND_API int ZEND_FASTCALL zend_parse_arg_double_slow(zval *arg, double *dest) /* {{{ */
503{
504	if (EXPECTED(Z_TYPE_P(arg) == IS_LONG)) {
505		/* SSTH Exception: IS_LONG may be accepted instead as IS_DOUBLE */
506		*dest = (double)Z_LVAL_P(arg);
507	} else if (UNEXPECTED(ZEND_ARG_USES_STRICT_TYPES())) {
508		return 0;
509	}
510	return zend_parse_arg_double_weak(arg, dest);
511}
512/* }}} */
513
514ZEND_API int ZEND_FASTCALL zend_parse_arg_str_weak(zval *arg, zend_string **dest) /* {{{ */
515{
516	if (EXPECTED(Z_TYPE_P(arg) < IS_STRING)) {
517		convert_to_string(arg);
518		*dest = Z_STR_P(arg);
519	} else if (UNEXPECTED(Z_TYPE_P(arg) == IS_OBJECT)) {
520		if (Z_OBJ_HANDLER_P(arg, cast_object)) {
521			zval obj;
522			if (Z_OBJ_HANDLER_P(arg, cast_object)(arg, &obj, IS_STRING) == SUCCESS) {
523				zval_ptr_dtor(arg);
524				ZVAL_COPY_VALUE(arg, &obj);
525				*dest = Z_STR_P(arg);
526				return 1;
527			}
528		} else if (Z_OBJ_HANDLER_P(arg, get)) {
529			zval rv;
530			zval *z = Z_OBJ_HANDLER_P(arg, get)(arg, &rv);
531
532			if (Z_TYPE_P(z) != IS_OBJECT) {
533				zval_ptr_dtor(arg);
534				if (Z_TYPE_P(z) == IS_STRING) {
535					ZVAL_COPY_VALUE(arg, z);
536				} else {
537					ZVAL_STR(arg, zval_get_string_func(z));
538					zval_ptr_dtor(z);
539				}
540				*dest = Z_STR_P(arg);
541				return 1;
542			}
543			zval_ptr_dtor(z);
544		}
545		return 0;
546	} else {
547		return 0;
548	}
549	return 1;
550}
551/* }}} */
552
553ZEND_API int ZEND_FASTCALL zend_parse_arg_str_slow(zval *arg, zend_string **dest) /* {{{ */
554{
555	if (UNEXPECTED(ZEND_ARG_USES_STRICT_TYPES())) {
556		return 0;
557	}
558	return zend_parse_arg_str_weak(arg, dest);
559}
560/* }}} */
561
562static const char *zend_parse_arg_impl(int arg_num, zval *arg, va_list *va, const char **spec, char **error, int *severity) /* {{{ */
563{
564	const char *spec_walk = *spec;
565	char c = *spec_walk++;
566	int check_null = 0;
567	int separate = 0;
568	zval *real_arg = arg;
569
570	/* scan through modifiers */
571	ZVAL_DEREF(arg);
572	while (1) {
573		if (*spec_walk == '/') {
574			SEPARATE_ZVAL_NOREF(arg);
575			real_arg = arg;
576			separate = 1;
577		} else if (*spec_walk == '!') {
578			check_null = 1;
579		} else {
580			break;
581		}
582		spec_walk++;
583	}
584
585	switch (c) {
586		case 'l':
587		case 'L':
588			{
589				zend_long *p = va_arg(*va, zend_long *);
590				zend_bool *is_null = NULL;
591
592				if (check_null) {
593					is_null = va_arg(*va, zend_bool *);
594				}
595
596				if (!zend_parse_arg_long(arg, p, is_null, check_null, c == 'L')) {
597					return "int";
598				}
599			}
600			break;
601
602		case 'd':
603			{
604				double *p = va_arg(*va, double *);
605				zend_bool *is_null = NULL;
606
607				if (check_null) {
608					is_null = va_arg(*va, zend_bool *);
609				}
610
611				if (!zend_parse_arg_double(arg, p, is_null, check_null)) {
612					return "float";
613				}
614			}
615			break;
616
617		case 's':
618			{
619				char **p = va_arg(*va, char **);
620				size_t *pl = va_arg(*va, size_t *);
621				if (!zend_parse_arg_string(arg, p, pl, check_null)) {
622					return "string";
623				}
624			}
625			break;
626
627		case 'p':
628			{
629				char **p = va_arg(*va, char **);
630				size_t *pl = va_arg(*va, size_t *);
631				if (!zend_parse_arg_path(arg, p, pl, check_null)) {
632					return "a valid path";
633				}
634			}
635			break;
636
637		case 'P':
638			{
639				zend_string **str = va_arg(*va, zend_string **);
640				if (!zend_parse_arg_path_str(arg, str, check_null)) {
641					return "a valid path";
642				}
643			}
644			break;
645
646		case 'S':
647			{
648				zend_string **str = va_arg(*va, zend_string **);
649				if (!zend_parse_arg_str(arg, str, check_null)) {
650					return "string";
651				}
652			}
653			break;
654
655		case 'b':
656			{
657				zend_bool *p = va_arg(*va, zend_bool *);
658				zend_bool *is_null = NULL;
659
660				if (check_null) {
661					is_null = va_arg(*va, zend_bool *);
662				}
663
664				if (!zend_parse_arg_bool(arg, p, is_null, check_null)) {
665					return "bool";
666				}
667			}
668			break;
669
670		case 'r':
671			{
672				zval **p = va_arg(*va, zval **);
673
674				if (!zend_parse_arg_resource(arg, p, check_null)) {
675					return "resource";
676				}
677			}
678			break;
679
680		case 'A':
681		case 'a':
682			{
683				zval **p = va_arg(*va, zval **);
684
685				if (!zend_parse_arg_array(arg, p, check_null, c == 'A')) {
686					return "array";
687				}
688			}
689			break;
690
691		case 'H':
692		case 'h':
693			{
694				HashTable **p = va_arg(*va, HashTable **);
695
696				if (!zend_parse_arg_array_ht(arg, p, check_null, c == 'H', separate)) {
697					return "array";
698				}
699			}
700			break;
701
702		case 'o':
703			{
704				zval **p = va_arg(*va, zval **);
705
706				if (!zend_parse_arg_object(arg, p, NULL, check_null)) {
707					return "object";
708				}
709			}
710			break;
711
712		case 'O':
713			{
714				zval **p = va_arg(*va, zval **);
715				zend_class_entry *ce = va_arg(*va, zend_class_entry *);
716
717				if (!zend_parse_arg_object(arg, p, ce, check_null)) {
718					if (ce) {
719						return ZSTR_VAL(ce->name);
720					} else {
721						return "object";
722					}
723				}
724			}
725			break;
726
727		case 'C':
728			{
729				zend_class_entry *lookup, **pce = va_arg(*va, zend_class_entry **);
730				zend_class_entry *ce_base = *pce;
731
732				if (check_null && Z_TYPE_P(arg) == IS_NULL) {
733					*pce = NULL;
734					break;
735				}
736				convert_to_string_ex(arg);
737				if ((lookup = zend_lookup_class(Z_STR_P(arg))) == NULL) {
738					*pce = NULL;
739				} else {
740					*pce = lookup;
741				}
742				if (ce_base) {
743					if ((!*pce || !instanceof_function(*pce, ce_base))) {
744						zend_spprintf(error, 0, "to be a class name derived from %s, '%s' given",
745							ZSTR_VAL(ce_base->name), Z_STRVAL_P(arg));
746						*pce = NULL;
747						return "";
748					}
749				}
750				if (!*pce) {
751					zend_spprintf(error, 0, "to be a valid class name, '%s' given",
752						Z_STRVAL_P(arg));
753					return "";
754				}
755				break;
756
757			}
758			break;
759
760		case 'f':
761			{
762				zend_fcall_info *fci = va_arg(*va, zend_fcall_info *);
763				zend_fcall_info_cache *fcc = va_arg(*va, zend_fcall_info_cache *);
764				char *is_callable_error = NULL;
765
766				if (check_null && Z_TYPE_P(arg) == IS_NULL) {
767					fci->size = 0;
768					fcc->function_handler = 0;
769					break;
770				}
771
772				if (zend_fcall_info_init(arg, 0, fci, fcc, NULL, &is_callable_error) == SUCCESS) {
773					if (is_callable_error) {
774						*severity = E_DEPRECATED;
775						zend_spprintf(error, 0, "to be a valid callback, %s", is_callable_error);
776						efree(is_callable_error);
777						*spec = spec_walk;
778						return "";
779					}
780					break;
781				} else {
782					if (is_callable_error) {
783						*severity = E_ERROR;
784						zend_spprintf(error, 0, "to be a valid callback, %s", is_callable_error);
785						efree(is_callable_error);
786						return "";
787					} else {
788						return "valid callback";
789					}
790				}
791			}
792
793		case 'z':
794			{
795				zval **p = va_arg(*va, zval **);
796
797				zend_parse_arg_zval_deref(real_arg, p, check_null);
798			}
799			break;
800
801		case 'Z':
802			/* 'Z' iz not supported anymore and should be replaced with 'z' */
803			ZEND_ASSERT(c != 'Z');
804		default:
805			return "unknown";
806	}
807
808	*spec = spec_walk;
809
810	return NULL;
811}
812/* }}} */
813
814static int zend_parse_arg(int arg_num, zval *arg, va_list *va, const char **spec, int flags) /* {{{ */
815{
816	const char *expected_type = NULL;
817	char *error = NULL;
818	int severity = 0;
819
820	expected_type = zend_parse_arg_impl(arg_num, arg, va, spec, &error, &severity);
821	if (expected_type) {
822		if (!(flags & ZEND_PARSE_PARAMS_QUIET) && (*expected_type || error)) {
823			const char *space;
824			const char *class_name = get_active_class_name(&space);
825			zend_bool throw_exception =
826				ZEND_ARG_USES_STRICT_TYPES() || (flags & ZEND_PARSE_PARAMS_THROW);
827
828			if (error) {
829				zend_internal_type_error(throw_exception, "%s%s%s() expects parameter %d %s",
830						class_name, space, get_active_function_name(), arg_num, error);
831				efree(error);
832			} else {
833				zend_internal_type_error(throw_exception,
834						"%s%s%s() expects parameter %d to be %s, %s given",
835						class_name, space, get_active_function_name(), arg_num, expected_type,
836						zend_zval_type_name(arg));
837			}
838		}
839		if (severity != E_DEPRECATED) {
840			return FAILURE;
841		}
842	}
843
844	return SUCCESS;
845}
846/* }}} */
847
848ZEND_API int zend_parse_parameter(int flags, int arg_num, zval *arg, const char *spec, ...)
849{
850	va_list va;
851	int ret;
852
853	va_start(va, spec);
854	ret = zend_parse_arg(arg_num, arg, &va, &spec, flags);
855	va_end(va);
856
857	return ret;
858}
859
860static ZEND_COLD void zend_parse_parameters_debug_error(const char *msg) {
861	zend_function *active_function = EG(current_execute_data)->func;
862	const char *class_name = active_function->common.scope
863		? ZSTR_VAL(active_function->common.scope->name) : "";
864	zend_error_noreturn(E_CORE_ERROR, "%s%s%s(): %s",
865		class_name, class_name[0] ? "::" : "",
866		ZSTR_VAL(active_function->common.function_name), msg);
867}
868
869static int zend_parse_va_args(int num_args, const char *type_spec, va_list *va, int flags) /* {{{ */
870{
871	const  char *spec_walk;
872	int c, i;
873	int min_num_args = -1;
874	int max_num_args = 0;
875	int post_varargs = 0;
876	zval *arg;
877	int arg_count;
878	zend_bool have_varargs = 0;
879	zval **varargs = NULL;
880	int *n_varargs = NULL;
881
882	for (spec_walk = type_spec; *spec_walk; spec_walk++) {
883		c = *spec_walk;
884		switch (c) {
885			case 'l': case 'd':
886			case 's': case 'b':
887			case 'r': case 'a':
888			case 'o': case 'O':
889			case 'z': case 'Z':
890			case 'C': case 'h':
891			case 'f': case 'A':
892			case 'H': case 'p':
893			case 'S': case 'P':
894			case 'L':
895				max_num_args++;
896				break;
897
898			case '|':
899				min_num_args = max_num_args;
900				break;
901
902			case '/':
903			case '!':
904				/* Pass */
905				break;
906
907			case '*':
908			case '+':
909				if (have_varargs) {
910					zend_parse_parameters_debug_error(
911						"only one varargs specifier (* or +) is permitted");
912					return FAILURE;
913				}
914				have_varargs = 1;
915				/* we expect at least one parameter in varargs */
916				if (c == '+') {
917					max_num_args++;
918				}
919				/* mark the beginning of varargs */
920				post_varargs = max_num_args;
921				break;
922
923			default:
924				zend_parse_parameters_debug_error("bad type specifier while parsing parameters");
925				return FAILURE;
926		}
927	}
928
929	if (min_num_args < 0) {
930		min_num_args = max_num_args;
931	}
932
933	if (have_varargs) {
934		/* calculate how many required args are at the end of the specifier list */
935		post_varargs = max_num_args - post_varargs;
936		max_num_args = -1;
937	}
938
939	if (num_args < min_num_args || (num_args > max_num_args && max_num_args >= 0)) {
940		if (!(flags & ZEND_PARSE_PARAMS_QUIET)) {
941			zend_function *active_function = EG(current_execute_data)->func;
942			const char *class_name = active_function->common.scope ? ZSTR_VAL(active_function->common.scope->name) : "";
943			zend_bool throw_exception = ZEND_ARG_USES_STRICT_TYPES() || (flags & ZEND_PARSE_PARAMS_THROW);
944			zend_internal_argument_count_error(throw_exception, "%s%s%s() expects %s %d parameter%s, %d given",
945					class_name,
946					class_name[0] ? "::" : "",
947					ZSTR_VAL(active_function->common.function_name),
948					min_num_args == max_num_args ? "exactly" : num_args < min_num_args ? "at least" : "at most",
949					num_args < min_num_args ? min_num_args : max_num_args,
950					(num_args < min_num_args ? min_num_args : max_num_args) == 1 ? "" : "s",
951					num_args);
952		}
953		return FAILURE;
954	}
955
956	arg_count = ZEND_CALL_NUM_ARGS(EG(current_execute_data));
957
958	if (num_args > arg_count) {
959		zend_parse_parameters_debug_error("could not obtain parameters for parsing");
960		return FAILURE;
961	}
962
963	i = 0;
964	while (num_args-- > 0) {
965		if (*type_spec == '|') {
966			type_spec++;
967		}
968
969		if (*type_spec == '*' || *type_spec == '+') {
970			int num_varargs = num_args + 1 - post_varargs;
971
972			/* eat up the passed in storage even if it won't be filled in with varargs */
973			varargs = va_arg(*va, zval **);
974			n_varargs = va_arg(*va, int *);
975			type_spec++;
976
977			if (num_varargs > 0) {
978				*n_varargs = num_varargs;
979				*varargs = ZEND_CALL_ARG(EG(current_execute_data), i + 1);
980				/* adjust how many args we have left and restart loop */
981				num_args += 1 - num_varargs;
982				i += num_varargs;
983				continue;
984			} else {
985				*varargs = NULL;
986				*n_varargs = 0;
987			}
988		}
989
990		arg = ZEND_CALL_ARG(EG(current_execute_data), i + 1);
991
992		if (zend_parse_arg(i+1, arg, va, &type_spec, flags) == FAILURE) {
993			/* clean up varargs array if it was used */
994			if (varargs && *varargs) {
995				*varargs = NULL;
996			}
997			return FAILURE;
998		}
999		i++;
1000	}
1001
1002	return SUCCESS;
1003}
1004/* }}} */
1005
1006ZEND_API int zend_parse_parameters_ex(int flags, int num_args, const char *type_spec, ...) /* {{{ */
1007{
1008	va_list va;
1009	int retval;
1010
1011	va_start(va, type_spec);
1012	retval = zend_parse_va_args(num_args, type_spec, &va, flags);
1013	va_end(va);
1014
1015	return retval;
1016}
1017/* }}} */
1018
1019ZEND_API int zend_parse_parameters(int num_args, const char *type_spec, ...) /* {{{ */
1020{
1021	va_list va;
1022	int retval;
1023	int flags = 0;
1024
1025	va_start(va, type_spec);
1026	retval = zend_parse_va_args(num_args, type_spec, &va, flags);
1027	va_end(va);
1028
1029	return retval;
1030}
1031/* }}} */
1032
1033ZEND_API int zend_parse_parameters_throw(int num_args, const char *type_spec, ...) /* {{{ */
1034{
1035	va_list va;
1036	int retval;
1037	int flags = ZEND_PARSE_PARAMS_THROW;
1038
1039	va_start(va, type_spec);
1040	retval = zend_parse_va_args(num_args, type_spec, &va, flags);
1041	va_end(va);
1042
1043	return retval;
1044}
1045/* }}} */
1046
1047ZEND_API int zend_parse_method_parameters(int num_args, zval *this_ptr, const char *type_spec, ...) /* {{{ */
1048{
1049	va_list va;
1050	int retval;
1051	int flags = 0;
1052	const char *p = type_spec;
1053	zval **object;
1054	zend_class_entry *ce;
1055
1056	/* Just checking this_ptr is not enough, because fcall_common_helper does not set
1057	 * Z_OBJ(EG(This)) to NULL when calling an internal function with common.scope == NULL.
1058	 * In that case EG(This) would still be the $this from the calling code and we'd take the
1059	 * wrong branch here. */
1060	zend_bool is_method = EG(current_execute_data)->func->common.scope != NULL;
1061
1062	if (!is_method || !this_ptr || Z_TYPE_P(this_ptr) != IS_OBJECT) {
1063		va_start(va, type_spec);
1064		retval = zend_parse_va_args(num_args, type_spec, &va, flags);
1065		va_end(va);
1066	} else {
1067		p++;
1068
1069		va_start(va, type_spec);
1070
1071		object = va_arg(va, zval **);
1072		ce = va_arg(va, zend_class_entry *);
1073		*object = this_ptr;
1074
1075		if (ce && !instanceof_function(Z_OBJCE_P(this_ptr), ce)) {
1076			zend_error_noreturn(E_CORE_ERROR, "%s::%s() must be derived from %s::%s",
1077				ZSTR_VAL(Z_OBJCE_P(this_ptr)->name), get_active_function_name(), ZSTR_VAL(ce->name), get_active_function_name());
1078		}
1079
1080		retval = zend_parse_va_args(num_args, p, &va, flags);
1081		va_end(va);
1082	}
1083	return retval;
1084}
1085/* }}} */
1086
1087ZEND_API int zend_parse_method_parameters_ex(int flags, int num_args, zval *this_ptr, const char *type_spec, ...) /* {{{ */
1088{
1089	va_list va;
1090	int retval;
1091	const char *p = type_spec;
1092	zval **object;
1093	zend_class_entry *ce;
1094
1095	if (!this_ptr) {
1096		va_start(va, type_spec);
1097		retval = zend_parse_va_args(num_args, type_spec, &va, flags);
1098		va_end(va);
1099	} else {
1100		p++;
1101		va_start(va, type_spec);
1102
1103		object = va_arg(va, zval **);
1104		ce = va_arg(va, zend_class_entry *);
1105		*object = this_ptr;
1106
1107		if (ce && !instanceof_function(Z_OBJCE_P(this_ptr), ce)) {
1108			if (!(flags & ZEND_PARSE_PARAMS_QUIET)) {
1109				zend_error_noreturn(E_CORE_ERROR, "%s::%s() must be derived from %s::%s",
1110					ZSTR_VAL(ce->name), get_active_function_name(), ZSTR_VAL(Z_OBJCE_P(this_ptr)->name), get_active_function_name());
1111			}
1112			va_end(va);
1113			return FAILURE;
1114		}
1115
1116		retval = zend_parse_va_args(num_args, p, &va, flags);
1117		va_end(va);
1118	}
1119	return retval;
1120}
1121/* }}} */
1122
1123/* This function should be called after the constructor has been called
1124 * because it may call __set from the uninitialized object otherwise. */
1125ZEND_API void zend_merge_properties(zval *obj, HashTable *properties) /* {{{ */
1126{
1127	const zend_object_handlers *obj_ht = Z_OBJ_HT_P(obj);
1128	zend_class_entry *old_scope = EG(fake_scope);
1129	zend_string *key;
1130	zval *value;
1131
1132	EG(fake_scope) = Z_OBJCE_P(obj);
1133	ZEND_HASH_FOREACH_STR_KEY_VAL(properties, key, value) {
1134		if (key) {
1135			zval member;
1136
1137			ZVAL_STR(&member, key);
1138			obj_ht->write_property(obj, &member, value, NULL);
1139		}
1140	} ZEND_HASH_FOREACH_END();
1141	EG(fake_scope) = old_scope;
1142}
1143/* }}} */
1144
1145ZEND_API int zend_update_class_constants(zend_class_entry *class_type) /* {{{ */
1146{
1147	if (!(class_type->ce_flags & ZEND_ACC_CONSTANTS_UPDATED)) {
1148		zend_class_entry *ce;
1149		zend_class_constant *c;
1150		zval *val;
1151		zend_property_info *prop_info;
1152
1153		if (class_type->parent) {
1154			if (UNEXPECTED(zend_update_class_constants(class_type->parent) != SUCCESS)) {
1155				return FAILURE;
1156			}
1157		}
1158
1159		ZEND_HASH_FOREACH_PTR(&class_type->constants_table, c) {
1160			val = &c->value;
1161			if (Z_TYPE_P(val) == IS_CONSTANT_AST) {
1162				if (UNEXPECTED(zval_update_constant_ex(val, c->ce) != SUCCESS)) {
1163					return FAILURE;
1164				}
1165			}
1166		} ZEND_HASH_FOREACH_END();
1167
1168		ce = class_type;
1169		while (ce) {
1170			ZEND_HASH_FOREACH_PTR(&ce->properties_info, prop_info) {
1171				if (prop_info->ce == ce) {
1172					if (prop_info->flags & ZEND_ACC_STATIC) {
1173						val = CE_STATIC_MEMBERS(class_type) + prop_info->offset;
1174					} else {
1175						val = (zval*)((char*)class_type->default_properties_table + prop_info->offset - OBJ_PROP_TO_OFFSET(0));
1176					}
1177					ZVAL_DEREF(val);
1178					if (Z_TYPE_P(val) == IS_CONSTANT_AST) {
1179						if (UNEXPECTED(zval_update_constant_ex(val, ce) != SUCCESS)) {
1180							return FAILURE;
1181						}
1182					}
1183				}
1184			} ZEND_HASH_FOREACH_END();
1185			ce = ce->parent;
1186		}
1187
1188		class_type->ce_flags |= ZEND_ACC_CONSTANTS_UPDATED;
1189	}
1190
1191	return SUCCESS;
1192}
1193/* }}} */
1194
1195ZEND_API void object_properties_init(zend_object *object, zend_class_entry *class_type) /* {{{ */
1196{
1197	if (class_type->default_properties_count) {
1198		zval *src = class_type->default_properties_table;
1199		zval *dst = object->properties_table;
1200		zval *end = src + class_type->default_properties_count;
1201
1202		if (UNEXPECTED(class_type->type == ZEND_INTERNAL_CLASS)) {
1203			do {
1204				ZVAL_COPY_OR_DUP(dst, src);
1205				src++;
1206				dst++;
1207			} while (src != end);
1208		} else {
1209			do {
1210				ZVAL_COPY(dst, src);
1211				src++;
1212				dst++;
1213			} while (src != end);
1214		}
1215		object->properties = NULL;
1216	}
1217}
1218/* }}} */
1219
1220ZEND_API void object_properties_init_ex(zend_object *object, HashTable *properties) /* {{{ */
1221{
1222	object->properties = properties;
1223	if (object->ce->default_properties_count) {
1224		zval *prop;
1225		zend_string *key;
1226		zend_property_info *property_info;
1227
1228		ZEND_HASH_FOREACH_STR_KEY_VAL(properties, key, prop) {
1229			property_info = zend_get_property_info(object->ce, key, 1);
1230			if (property_info != ZEND_WRONG_PROPERTY_INFO &&
1231			    property_info &&
1232			    (property_info->flags & ZEND_ACC_STATIC) == 0) {
1233				zval *slot = OBJ_PROP(object, property_info->offset);
1234				ZVAL_COPY_VALUE(slot, prop);
1235				ZVAL_INDIRECT(prop, slot);
1236			}
1237		} ZEND_HASH_FOREACH_END();
1238	}
1239}
1240/* }}} */
1241
1242ZEND_API void object_properties_load(zend_object *object, HashTable *properties) /* {{{ */
1243{
1244    zval *prop, tmp;
1245   	zend_string *key;
1246   	zend_long h;
1247   	zend_property_info *property_info;
1248
1249   	ZEND_HASH_FOREACH_KEY_VAL(properties, h, key, prop) {
1250		if (key) {
1251			if (ZSTR_VAL(key)[0] == '\0') {
1252				const char *class_name, *prop_name;
1253				size_t prop_name_len;
1254				if (zend_unmangle_property_name_ex(key, &class_name, &prop_name, &prop_name_len) == SUCCESS) {
1255					zend_string *pname = zend_string_init(prop_name, prop_name_len, 0);
1256					zend_class_entry *prev_scope = EG(fake_scope);
1257					if (class_name && class_name[0] != '*') {
1258						zend_string *cname = zend_string_init(class_name, strlen(class_name), 0);
1259						EG(fake_scope) = zend_lookup_class(cname);
1260						zend_string_release_ex(cname, 0);
1261					}
1262					property_info = zend_get_property_info(object->ce, pname, 1);
1263					zend_string_release_ex(pname, 0);
1264					EG(fake_scope) = prev_scope;
1265				} else {
1266					property_info = ZEND_WRONG_PROPERTY_INFO;
1267				}
1268			} else {
1269				property_info = zend_get_property_info(object->ce, key, 1);
1270			}
1271			if (property_info != ZEND_WRONG_PROPERTY_INFO &&
1272				property_info &&
1273				(property_info->flags & ZEND_ACC_STATIC) == 0) {
1274				zval *slot = OBJ_PROP(object, property_info->offset);
1275				zval_ptr_dtor(slot);
1276				ZVAL_COPY_VALUE(slot, prop);
1277				zval_add_ref(slot);
1278				if (object->properties) {
1279					ZVAL_INDIRECT(&tmp, slot);
1280					zend_hash_update(object->properties, key, &tmp);
1281				}
1282			} else {
1283				if (!object->properties) {
1284					rebuild_object_properties(object);
1285				}
1286				prop = zend_hash_update(object->properties, key, prop);
1287				zval_add_ref(prop);
1288			}
1289		} else {
1290			if (!object->properties) {
1291				rebuild_object_properties(object);
1292			}
1293			prop = zend_hash_index_update(object->properties, h, prop);
1294			zval_add_ref(prop);
1295		}
1296	} ZEND_HASH_FOREACH_END();
1297}
1298/* }}} */
1299
1300/* This function requires 'properties' to contain all props declared in the
1301 * class and all props being public. If only a subset is given or the class
1302 * has protected members then you need to merge the properties separately by
1303 * calling zend_merge_properties(). */
1304ZEND_API int object_and_properties_init(zval *arg, zend_class_entry *class_type, HashTable *properties) /* {{{ */
1305{
1306	if (UNEXPECTED(class_type->ce_flags & (ZEND_ACC_INTERFACE|ZEND_ACC_TRAIT|ZEND_ACC_IMPLICIT_ABSTRACT_CLASS|ZEND_ACC_EXPLICIT_ABSTRACT_CLASS))) {
1307		if (class_type->ce_flags & ZEND_ACC_INTERFACE) {
1308			zend_throw_error(NULL, "Cannot instantiate interface %s", ZSTR_VAL(class_type->name));
1309		} else if (class_type->ce_flags & ZEND_ACC_TRAIT) {
1310			zend_throw_error(NULL, "Cannot instantiate trait %s", ZSTR_VAL(class_type->name));
1311		} else {
1312			zend_throw_error(NULL, "Cannot instantiate abstract class %s", ZSTR_VAL(class_type->name));
1313		}
1314		ZVAL_NULL(arg);
1315		Z_OBJ_P(arg) = NULL;
1316		return FAILURE;
1317	}
1318
1319	if (UNEXPECTED(!(class_type->ce_flags & ZEND_ACC_CONSTANTS_UPDATED))) {
1320		if (UNEXPECTED(zend_update_class_constants(class_type) != SUCCESS)) {
1321			ZVAL_NULL(arg);
1322			Z_OBJ_P(arg) = NULL;
1323			return FAILURE;
1324		}
1325	}
1326
1327	if (class_type->create_object == NULL) {
1328		ZVAL_OBJ(arg, zend_objects_new(class_type));
1329		if (properties) {
1330			object_properties_init_ex(Z_OBJ_P(arg), properties);
1331		} else {
1332			object_properties_init(Z_OBJ_P(arg), class_type);
1333		}
1334	} else {
1335		ZVAL_OBJ(arg, class_type->create_object(class_type));
1336	}
1337	return SUCCESS;
1338}
1339/* }}} */
1340
1341ZEND_API int object_init_ex(zval *arg, zend_class_entry *class_type) /* {{{ */
1342{
1343	return object_and_properties_init(arg, class_type, 0);
1344}
1345/* }}} */
1346
1347ZEND_API int object_init(zval *arg) /* {{{ */
1348{
1349	ZVAL_OBJ(arg, zend_objects_new(zend_standard_class_def));
1350	return SUCCESS;
1351}
1352/* }}} */
1353
1354ZEND_API int add_assoc_long_ex(zval *arg, const char *key, size_t key_len, zend_long n) /* {{{ */
1355{
1356	zval tmp;
1357
1358	ZVAL_LONG(&tmp, n);
1359	zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp);
1360	return SUCCESS;
1361}
1362/* }}} */
1363
1364ZEND_API int add_assoc_null_ex(zval *arg, const char *key, size_t key_len) /* {{{ */
1365{
1366	zval tmp;
1367
1368	ZVAL_NULL(&tmp);
1369	zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp);
1370	return SUCCESS;
1371}
1372/* }}} */
1373
1374ZEND_API int add_assoc_bool_ex(zval *arg, const char *key, size_t key_len, int b) /* {{{ */
1375{
1376	zval tmp;
1377
1378	ZVAL_BOOL(&tmp, b);
1379	zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp);
1380	return SUCCESS;
1381}
1382/* }}} */
1383
1384ZEND_API int add_assoc_resource_ex(zval *arg, const char *key, size_t key_len, zend_resource *r) /* {{{ */
1385{
1386	zval tmp;
1387
1388	ZVAL_RES(&tmp, r);
1389	zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp);
1390	return SUCCESS;
1391}
1392/* }}} */
1393
1394ZEND_API int add_assoc_double_ex(zval *arg, const char *key, size_t key_len, double d) /* {{{ */
1395{
1396	zval tmp;
1397
1398	ZVAL_DOUBLE(&tmp, d);
1399	zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp);
1400	return SUCCESS;
1401}
1402/* }}} */
1403
1404ZEND_API int add_assoc_str_ex(zval *arg, const char *key, size_t key_len, zend_string *str) /* {{{ */
1405{
1406	zval tmp;
1407
1408	ZVAL_STR(&tmp, str);
1409	zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp);
1410	return SUCCESS;
1411}
1412/* }}} */
1413
1414ZEND_API int add_assoc_string_ex(zval *arg, const char *key, size_t key_len, const char *str) /* {{{ */
1415{
1416	zval tmp;
1417
1418	ZVAL_STRING(&tmp, str);
1419	zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp);
1420	return SUCCESS;
1421}
1422/* }}} */
1423
1424ZEND_API int add_assoc_stringl_ex(zval *arg, const char *key, size_t key_len, const char *str, size_t length) /* {{{ */
1425{
1426	zval tmp;
1427
1428	ZVAL_STRINGL(&tmp, str, length);
1429	zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp);
1430	return SUCCESS;
1431}
1432/* }}} */
1433
1434ZEND_API int add_assoc_zval_ex(zval *arg, const char *key, size_t key_len, zval *value) /* {{{ */
1435{
1436	zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, value);
1437	return SUCCESS;
1438}
1439/* }}} */
1440
1441ZEND_API int add_index_long(zval *arg, zend_ulong index, zend_long n) /* {{{ */
1442{
1443	zval tmp;
1444
1445	ZVAL_LONG(&tmp, n);
1446	zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp);
1447	return SUCCESS;
1448}
1449/* }}} */
1450
1451ZEND_API int add_index_null(zval *arg, zend_ulong index) /* {{{ */
1452{
1453	zval tmp;
1454
1455	ZVAL_NULL(&tmp);
1456	zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp);
1457	return SUCCESS;
1458}
1459/* }}} */
1460
1461ZEND_API int add_index_bool(zval *arg, zend_ulong index, int b) /* {{{ */
1462{
1463	zval tmp;
1464
1465	ZVAL_BOOL(&tmp, b);
1466	zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp);
1467	return SUCCESS;
1468}
1469/* }}} */
1470
1471ZEND_API int add_index_resource(zval *arg, zend_ulong index, zend_resource *r) /* {{{ */
1472{
1473	zval tmp;
1474
1475	ZVAL_RES(&tmp, r);
1476	zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp);
1477	return SUCCESS;
1478}
1479/* }}} */
1480
1481ZEND_API int add_index_double(zval *arg, zend_ulong index, double d) /* {{{ */
1482{
1483	zval tmp;
1484
1485	ZVAL_DOUBLE(&tmp, d);
1486	zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp);
1487	return SUCCESS;
1488}
1489/* }}} */
1490
1491ZEND_API int add_index_str(zval *arg, zend_ulong index, zend_string *str) /* {{{ */
1492{
1493	zval tmp;
1494
1495	ZVAL_STR(&tmp, str);
1496	zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp);
1497	return SUCCESS;
1498}
1499/* }}} */
1500
1501ZEND_API int add_index_string(zval *arg, zend_ulong index, const char *str) /* {{{ */
1502{
1503	zval tmp;
1504
1505	ZVAL_STRING(&tmp, str);
1506	zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp);
1507	return SUCCESS;
1508}
1509/* }}} */
1510
1511ZEND_API int add_index_stringl(zval *arg, zend_ulong index, const char *str, size_t length) /* {{{ */
1512{
1513	zval tmp;
1514
1515	ZVAL_STRINGL(&tmp, str, length);
1516	zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp);
1517	return SUCCESS;
1518}
1519/* }}} */
1520
1521ZEND_API int add_index_zval(zval *arg, zend_ulong index, zval *value) /* {{{ */
1522{
1523	zend_hash_index_update(Z_ARRVAL_P(arg), index, value);
1524	return SUCCESS;
1525}
1526/* }}} */
1527
1528ZEND_API int add_next_index_long(zval *arg, zend_long n) /* {{{ */
1529{
1530	zval tmp;
1531
1532	ZVAL_LONG(&tmp, n);
1533	return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE;
1534}
1535/* }}} */
1536
1537ZEND_API int add_next_index_null(zval *arg) /* {{{ */
1538{
1539	zval tmp;
1540
1541	ZVAL_NULL(&tmp);
1542	return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE;
1543}
1544/* }}} */
1545
1546ZEND_API int add_next_index_bool(zval *arg, int b) /* {{{ */
1547{
1548	zval tmp;
1549
1550	ZVAL_BOOL(&tmp, b);
1551	return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE;
1552}
1553/* }}} */
1554
1555ZEND_API int add_next_index_resource(zval *arg, zend_resource *r) /* {{{ */
1556{
1557	zval tmp;
1558
1559	ZVAL_RES(&tmp, r);
1560	return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE;
1561}
1562/* }}} */
1563
1564ZEND_API int add_next_index_double(zval *arg, double d) /* {{{ */
1565{
1566	zval tmp;
1567
1568	ZVAL_DOUBLE(&tmp, d);
1569	return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE;
1570}
1571/* }}} */
1572
1573ZEND_API int add_next_index_str(zval *arg, zend_string *str) /* {{{ */
1574{
1575	zval tmp;
1576
1577	ZVAL_STR(&tmp, str);
1578	return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE;
1579}
1580/* }}} */
1581
1582ZEND_API int add_next_index_string(zval *arg, const char *str) /* {{{ */
1583{
1584	zval tmp;
1585
1586	ZVAL_STRING(&tmp, str);
1587	return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE;
1588}
1589/* }}} */
1590
1591ZEND_API int add_next_index_stringl(zval *arg, const char *str, size_t length) /* {{{ */
1592{
1593	zval tmp;
1594
1595	ZVAL_STRINGL(&tmp, str, length);
1596	return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE;
1597}
1598/* }}} */
1599
1600ZEND_API int add_next_index_zval(zval *arg, zval *value) /* {{{ */
1601{
1602	return zend_hash_next_index_insert(Z_ARRVAL_P(arg), value) ? SUCCESS : FAILURE;
1603}
1604/* }}} */
1605
1606ZEND_API zval *add_get_assoc_string_ex(zval *arg, const char *key, uint32_t key_len, const char *str) /* {{{ */
1607{
1608	zval tmp, *ret;
1609
1610	ZVAL_STRING(&tmp, str);
1611	ret = zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp);
1612	return ret;
1613}
1614/* }}} */
1615
1616ZEND_API zval *add_get_assoc_stringl_ex(zval *arg, const char *key, uint32_t key_len, const char *str, size_t length) /* {{{ */
1617{
1618	zval tmp, *ret;
1619
1620	ZVAL_STRINGL(&tmp, str, length);
1621	ret = zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp);
1622	return ret;
1623}
1624/* }}} */
1625
1626ZEND_API zval *add_get_index_long(zval *arg, zend_ulong index, zend_long l) /* {{{ */
1627{
1628	zval tmp;
1629
1630	ZVAL_LONG(&tmp, l);
1631	return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp);
1632}
1633/* }}} */
1634
1635ZEND_API zval *add_get_index_double(zval *arg, zend_ulong index, double d) /* {{{ */
1636{
1637	zval tmp;
1638
1639	ZVAL_DOUBLE(&tmp, d);
1640	return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp);
1641}
1642/* }}} */
1643
1644ZEND_API zval *add_get_index_str(zval *arg, zend_ulong index, zend_string *str) /* {{{ */
1645{
1646	zval tmp;
1647
1648	ZVAL_STR(&tmp, str);
1649	return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp);
1650}
1651/* }}} */
1652
1653ZEND_API zval *add_get_index_string(zval *arg, zend_ulong index, const char *str) /* {{{ */
1654{
1655	zval tmp;
1656
1657	ZVAL_STRING(&tmp, str);
1658	return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp);
1659}
1660/* }}} */
1661
1662ZEND_API zval *add_get_index_stringl(zval *arg, zend_ulong index, const char *str, size_t length) /* {{{ */
1663{
1664	zval tmp;
1665
1666	ZVAL_STRINGL(&tmp, str, length);
1667	return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp);
1668}
1669/* }}} */
1670
1671ZEND_API int array_set_zval_key(HashTable *ht, zval *key, zval *value) /* {{{ */
1672{
1673	zval *result;
1674
1675	switch (Z_TYPE_P(key)) {
1676		case IS_STRING:
1677			result = zend_symtable_update(ht, Z_STR_P(key), value);
1678			break;
1679		case IS_NULL:
1680			result = zend_symtable_update(ht, ZSTR_EMPTY_ALLOC(), value);
1681			break;
1682		case IS_RESOURCE:
1683			zend_error(E_NOTICE, "Resource ID#%d used as offset, casting to integer (%d)", Z_RES_HANDLE_P(key), Z_RES_HANDLE_P(key));
1684			result = zend_hash_index_update(ht, Z_RES_HANDLE_P(key), value);
1685			break;
1686		case IS_FALSE:
1687			result = zend_hash_index_update(ht, 0, value);
1688			break;
1689		case IS_TRUE:
1690			result = zend_hash_index_update(ht, 1, value);
1691			break;
1692		case IS_LONG:
1693			result = zend_hash_index_update(ht, Z_LVAL_P(key), value);
1694			break;
1695		case IS_DOUBLE:
1696			result = zend_hash_index_update(ht, zend_dval_to_lval(Z_DVAL_P(key)), value);
1697			break;
1698		default:
1699			zend_error(E_WARNING, "Illegal offset type");
1700			result = NULL;
1701	}
1702
1703	if (result) {
1704		Z_TRY_ADDREF_P(result);
1705		return SUCCESS;
1706	} else {
1707		return FAILURE;
1708	}
1709}
1710/* }}} */
1711
1712ZEND_API int add_property_long_ex(zval *arg, const char *key, size_t key_len, zend_long n) /* {{{ */
1713{
1714	zval tmp;
1715	zval z_key;
1716
1717	ZVAL_LONG(&tmp, n);
1718	ZVAL_STRINGL(&z_key, key, key_len);
1719	Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, &tmp, NULL);
1720	zval_ptr_dtor(&z_key);
1721	return SUCCESS;
1722}
1723/* }}} */
1724
1725ZEND_API int add_property_bool_ex(zval *arg, const char *key, size_t key_len, zend_long b) /* {{{ */
1726{
1727	zval tmp;
1728	zval z_key;
1729
1730	ZVAL_BOOL(&tmp, b);
1731	ZVAL_STRINGL(&z_key, key, key_len);
1732	Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, &tmp, NULL);
1733	zval_ptr_dtor(&z_key);
1734	return SUCCESS;
1735}
1736/* }}} */
1737
1738ZEND_API int add_property_null_ex(zval *arg, const char *key, size_t key_len) /* {{{ */
1739{
1740	zval tmp;
1741	zval z_key;
1742
1743	ZVAL_NULL(&tmp);
1744	ZVAL_STRINGL(&z_key, key, key_len);
1745	Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, &tmp, NULL);
1746	zval_ptr_dtor(&z_key);
1747	return SUCCESS;
1748}
1749/* }}} */
1750
1751ZEND_API int add_property_resource_ex(zval *arg, const char *key, size_t key_len, zend_resource *r) /* {{{ */
1752{
1753	zval tmp;
1754	zval z_key;
1755
1756	ZVAL_RES(&tmp, r);
1757	ZVAL_STRINGL(&z_key, key, key_len);
1758	Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, &tmp, NULL);
1759	zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
1760	zval_ptr_dtor(&z_key);
1761	return SUCCESS;
1762}
1763/* }}} */
1764
1765ZEND_API int add_property_double_ex(zval *arg, const char *key, size_t key_len, double d) /* {{{ */
1766{
1767	zval tmp;
1768	zval z_key;
1769
1770	ZVAL_DOUBLE(&tmp, d);
1771	ZVAL_STRINGL(&z_key, key, key_len);
1772	Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, &tmp, NULL);
1773	zval_ptr_dtor(&z_key);
1774	return SUCCESS;
1775}
1776/* }}} */
1777
1778ZEND_API int add_property_str_ex(zval *arg, const char *key, size_t key_len, zend_string *str) /* {{{ */
1779{
1780	zval tmp;
1781	zval z_key;
1782
1783	ZVAL_STR(&tmp, str);
1784	ZVAL_STRINGL(&z_key, key, key_len);
1785	Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, &tmp, NULL);
1786	zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
1787	zval_ptr_dtor(&z_key);
1788	return SUCCESS;
1789}
1790/* }}} */
1791
1792ZEND_API int add_property_string_ex(zval *arg, const char *key, size_t key_len, const char *str) /* {{{ */
1793{
1794	zval tmp;
1795	zval z_key;
1796
1797	ZVAL_STRING(&tmp, str);
1798	ZVAL_STRINGL(&z_key, key, key_len);
1799	Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, &tmp, NULL);
1800	zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
1801	zval_ptr_dtor(&z_key);
1802	return SUCCESS;
1803}
1804/* }}} */
1805
1806ZEND_API int add_property_stringl_ex(zval *arg, const char *key, size_t key_len, const char *str, size_t length) /* {{{ */
1807{
1808	zval tmp;
1809	zval z_key;
1810
1811	ZVAL_STRINGL(&tmp, str, length);
1812	ZVAL_STRINGL(&z_key, key, key_len);
1813	Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, &tmp, NULL);
1814	zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
1815	zval_ptr_dtor(&z_key);
1816	return SUCCESS;
1817}
1818/* }}} */
1819
1820ZEND_API int add_property_zval_ex(zval *arg, const char *key, size_t key_len, zval *value) /* {{{ */
1821{
1822	zval z_key;
1823
1824	ZVAL_STRINGL(&z_key, key, key_len);
1825	Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, value, NULL);
1826	zval_ptr_dtor(&z_key);
1827	return SUCCESS;
1828}
1829/* }}} */
1830
1831ZEND_API int zend_startup_module_ex(zend_module_entry *module) /* {{{ */
1832{
1833	size_t name_len;
1834	zend_string *lcname;
1835
1836	if (module->module_started) {
1837		return SUCCESS;
1838	}
1839	module->module_started = 1;
1840
1841	/* Check module dependencies */
1842	if (module->deps) {
1843		const zend_module_dep *dep = module->deps;
1844
1845		while (dep->name) {
1846			if (dep->type == MODULE_DEP_REQUIRED) {
1847				zend_module_entry *req_mod;
1848
1849				name_len = strlen(dep->name);
1850				lcname = zend_string_alloc(name_len, 0);
1851				zend_str_tolower_copy(ZSTR_VAL(lcname), dep->name, name_len);
1852
1853				if ((req_mod = zend_hash_find_ptr(&module_registry, lcname)) == NULL || !req_mod->module_started) {
1854					zend_string_efree(lcname);
1855					/* TODO: Check version relationship */
1856					zend_error(E_CORE_WARNING, "Cannot load module '%s' because required module '%s' is not loaded", module->name, dep->name);
1857					module->module_started = 0;
1858					return FAILURE;
1859				}
1860				zend_string_efree(lcname);
1861			}
1862			++dep;
1863		}
1864	}
1865
1866	/* Initialize module globals */
1867	if (module->globals_size) {
1868#ifdef ZTS
1869		ts_allocate_id(module->globals_id_ptr, module->globals_size, (ts_allocate_ctor) module->globals_ctor, (ts_allocate_dtor) module->globals_dtor);
1870#else
1871		if (module->globals_ctor) {
1872			module->globals_ctor(module->globals_ptr);
1873		}
1874#endif
1875	}
1876	if (module->module_startup_func) {
1877		EG(current_module) = module;
1878		if (module->module_startup_func(module->type, module->module_number)==FAILURE) {
1879			zend_error_noreturn(E_CORE_ERROR,"Unable to start %s module", module->name);
1880			EG(current_module) = NULL;
1881			return FAILURE;
1882		}
1883		EG(current_module) = NULL;
1884	}
1885	return SUCCESS;
1886}
1887/* }}} */
1888
1889static int zend_startup_module_zval(zval *zv) /* {{{ */
1890{
1891	zend_module_entry *module = Z_PTR_P(zv);
1892
1893	return (zend_startup_module_ex(module) == SUCCESS) ? ZEND_HASH_APPLY_KEEP : ZEND_HASH_APPLY_REMOVE;
1894}
1895/* }}} */
1896
1897static void zend_sort_modules(void *base, size_t count, size_t siz, compare_func_t compare, swap_func_t swp) /* {{{ */
1898{
1899	Bucket *b1 = base;
1900	Bucket *b2;
1901	Bucket *end = b1 + count;
1902	Bucket tmp;
1903	zend_module_entry *m, *r;
1904
1905	while (b1 < end) {
1906try_again:
1907		m = (zend_module_entry*)Z_PTR(b1->val);
1908		if (!m->module_started && m->deps) {
1909			const zend_module_dep *dep = m->deps;
1910			while (dep->name) {
1911				if (dep->type == MODULE_DEP_REQUIRED || dep->type == MODULE_DEP_OPTIONAL) {
1912					b2 = b1 + 1;
1913					while (b2 < end) {
1914						r = (zend_module_entry*)Z_PTR(b2->val);
1915						if (strcasecmp(dep->name, r->name) == 0) {
1916							tmp = *b1;
1917							*b1 = *b2;
1918							*b2 = tmp;
1919							goto try_again;
1920						}
1921						b2++;
1922					}
1923				}
1924				dep++;
1925			}
1926		}
1927		b1++;
1928	}
1929}
1930/* }}} */
1931
1932ZEND_API void zend_collect_module_handlers(void) /* {{{ */
1933{
1934	zend_module_entry *module;
1935	int startup_count = 0;
1936	int shutdown_count = 0;
1937	int post_deactivate_count = 0;
1938	zend_class_entry *ce;
1939	int class_count = 0;
1940
1941	/* Collect extensions with request startup/shutdown handlers */
1942	ZEND_HASH_FOREACH_PTR(&module_registry, module) {
1943		if (module->request_startup_func) {
1944			startup_count++;
1945		}
1946		if (module->request_shutdown_func) {
1947			shutdown_count++;
1948		}
1949		if (module->post_deactivate_func) {
1950			post_deactivate_count++;
1951		}
1952	} ZEND_HASH_FOREACH_END();
1953	module_request_startup_handlers = (zend_module_entry**)malloc(
1954	    sizeof(zend_module_entry*) *
1955		(startup_count + 1 +
1956		 shutdown_count + 1 +
1957		 post_deactivate_count + 1));
1958	module_request_startup_handlers[startup_count] = NULL;
1959	module_request_shutdown_handlers = module_request_startup_handlers + startup_count + 1;
1960	module_request_shutdown_handlers[shutdown_count] = NULL;
1961	module_post_deactivate_handlers = module_request_shutdown_handlers + shutdown_count + 1;
1962	module_post_deactivate_handlers[post_deactivate_count] = NULL;
1963	startup_count = 0;
1964
1965	ZEND_HASH_FOREACH_PTR(&module_registry, module) {
1966		if (module->request_startup_func) {
1967			module_request_startup_handlers[startup_count++] = module;
1968		}
1969		if (module->request_shutdown_func) {
1970			module_request_shutdown_handlers[--shutdown_count] = module;
1971		}
1972		if (module->post_deactivate_func) {
1973			module_post_deactivate_handlers[--post_deactivate_count] = module;
1974		}
1975	} ZEND_HASH_FOREACH_END();
1976
1977	/* Collect internal classes with static members */
1978	ZEND_HASH_FOREACH_PTR(CG(class_table), ce) {
1979		if (ce->type == ZEND_INTERNAL_CLASS &&
1980		    ce->default_static_members_count > 0) {
1981		    class_count++;
1982		}
1983	} ZEND_HASH_FOREACH_END();
1984
1985	class_cleanup_handlers = (zend_class_entry**)malloc(
1986		sizeof(zend_class_entry*) *
1987		(class_count + 1));
1988	class_cleanup_handlers[class_count] = NULL;
1989
1990	if (class_count) {
1991		ZEND_HASH_FOREACH_PTR(CG(class_table), ce) {
1992			if (ce->type == ZEND_INTERNAL_CLASS &&
1993			    ce->default_static_members_count > 0) {
1994			    class_cleanup_handlers[--class_count] = ce;
1995			}
1996		} ZEND_HASH_FOREACH_END();
1997	}
1998}
1999/* }}} */
2000
2001ZEND_API int zend_startup_modules(void) /* {{{ */
2002{
2003	zend_hash_sort_ex(&module_registry, zend_sort_modules, NULL, 0);
2004	zend_hash_apply(&module_registry, zend_startup_module_zval);
2005	return SUCCESS;
2006}
2007/* }}} */
2008
2009ZEND_API void zend_destroy_modules(void) /* {{{ */
2010{
2011	free(class_cleanup_handlers);
2012	free(module_request_startup_handlers);
2013	zend_hash_graceful_reverse_destroy(&module_registry);
2014}
2015/* }}} */
2016
2017ZEND_API zend_module_entry* zend_register_module_ex(zend_module_entry *module) /* {{{ */
2018{
2019	size_t name_len;
2020	zend_string *lcname;
2021	zend_module_entry *module_ptr;
2022
2023	if (!module) {
2024		return NULL;
2025	}
2026
2027#if 0
2028	zend_printf("%s: Registering module %d\n", module->name, module->module_number);
2029#endif
2030
2031	/* Check module dependencies */
2032	if (module->deps) {
2033		const zend_module_dep *dep = module->deps;
2034
2035		while (dep->name) {
2036			if (dep->type == MODULE_DEP_CONFLICTS) {
2037				name_len = strlen(dep->name);
2038				lcname = zend_string_alloc(name_len, 0);
2039				zend_str_tolower_copy(ZSTR_VAL(lcname), dep->name, name_len);
2040
2041				if (zend_hash_exists(&module_registry, lcname) || zend_get_extension(dep->name)) {
2042					zend_string_efree(lcname);
2043					/* TODO: Check version relationship */
2044					zend_error(E_CORE_WARNING, "Cannot load module '%s' because conflicting module '%s' is already loaded", module->name, dep->name);
2045					return NULL;
2046				}
2047				zend_string_efree(lcname);
2048			}
2049			++dep;
2050		}
2051	}
2052
2053	name_len = strlen(module->name);
2054	lcname = zend_string_alloc(name_len, module->type == MODULE_PERSISTENT);
2055	zend_str_tolower_copy(ZSTR_VAL(lcname), module->name, name_len);
2056
2057	lcname = zend_new_interned_string(lcname);
2058	if ((module_ptr = zend_hash_add_mem(&module_registry, lcname, module, sizeof(zend_module_entry))) == NULL) {
2059		zend_error(E_CORE_WARNING, "Module '%s' already loaded", module->name);
2060		zend_string_release(lcname);
2061		return NULL;
2062	}
2063	module = module_ptr;
2064	EG(current_module) = module;
2065
2066	if (module->functions && zend_register_functions(NULL, module->functions, NULL, module->type)==FAILURE) {
2067		zend_hash_del(&module_registry, lcname);
2068		zend_string_release(lcname);
2069		EG(current_module) = NULL;
2070		zend_error(E_CORE_WARNING,"%s: Unable to register functions, unable to load", module->name);
2071		return NULL;
2072	}
2073
2074	EG(current_module) = NULL;
2075	zend_string_release(lcname);
2076	return module;
2077}
2078/* }}} */
2079
2080ZEND_API zend_module_entry* zend_register_internal_module(zend_module_entry *module) /* {{{ */
2081{
2082	module->module_number = zend_next_free_module();
2083	module->type = MODULE_PERSISTENT;
2084	return zend_register_module_ex(module);
2085}
2086/* }}} */
2087
2088ZEND_API void zend_check_magic_method_implementation(const zend_class_entry *ce, const zend_function *fptr, int error_type) /* {{{ */
2089{
2090	char lcname[16];
2091	size_t name_len;
2092
2093	if (ZSTR_VAL(fptr->common.function_name)[0] != '_'
2094	 || ZSTR_VAL(fptr->common.function_name)[1] != '_') {
2095		return;
2096	}
2097
2098	/* we don't care if the function name is longer, in fact lowercasing only
2099	 * the beginning of the name speeds up the check process */
2100	name_len = ZSTR_LEN(fptr->common.function_name);
2101	zend_str_tolower_copy(lcname, ZSTR_VAL(fptr->common.function_name), MIN(name_len, sizeof(lcname)-1));
2102	lcname[sizeof(lcname)-1] = '\0'; /* zend_str_tolower_copy won't necessarily set the zero byte */
2103
2104	if (name_len == sizeof(ZEND_DESTRUCTOR_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_DESTRUCTOR_FUNC_NAME, sizeof(ZEND_DESTRUCTOR_FUNC_NAME) - 1) && fptr->common.num_args != 0) {
2105		zend_error(error_type, "Destructor %s::%s() cannot take arguments", ZSTR_VAL(ce->name), ZEND_DESTRUCTOR_FUNC_NAME);
2106	} else if (name_len == sizeof(ZEND_CLONE_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_CLONE_FUNC_NAME, sizeof(ZEND_CLONE_FUNC_NAME) - 1) && fptr->common.num_args != 0) {
2107		zend_error(error_type, "Method %s::%s() cannot accept any arguments", ZSTR_VAL(ce->name), ZEND_CLONE_FUNC_NAME);
2108	} else if (name_len == sizeof(ZEND_GET_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_GET_FUNC_NAME, sizeof(ZEND_GET_FUNC_NAME) - 1)) {
2109		if (fptr->common.num_args != 1) {
2110			zend_error(error_type, "Method %s::%s() must take exactly 1 argument", ZSTR_VAL(ce->name), ZEND_GET_FUNC_NAME);
2111		} else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1)) {
2112			zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ZSTR_VAL(ce->name), ZEND_GET_FUNC_NAME);
2113		}
2114	} else if (name_len == sizeof(ZEND_SET_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_SET_FUNC_NAME, sizeof(ZEND_SET_FUNC_NAME) - 1)) {
2115		if (fptr->common.num_args != 2) {
2116			zend_error(error_type, "Method %s::%s() must take exactly 2 arguments", ZSTR_VAL(ce->name), ZEND_SET_FUNC_NAME);
2117		} else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1) || ARG_SHOULD_BE_SENT_BY_REF(fptr, 2)) {
2118			zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ZSTR_VAL(ce->name), ZEND_SET_FUNC_NAME);
2119		}
2120	} else if (name_len == sizeof(ZEND_UNSET_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_UNSET_FUNC_NAME, sizeof(ZEND_UNSET_FUNC_NAME) - 1)) {
2121		if (fptr->common.num_args != 1) {
2122			zend_error(error_type, "Method %s::%s() must take exactly 1 argument", ZSTR_VAL(ce->name), ZEND_UNSET_FUNC_NAME);
2123		} else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1)) {
2124			zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ZSTR_VAL(ce->name), ZEND_UNSET_FUNC_NAME);
2125		}
2126	} else if (name_len == sizeof(ZEND_ISSET_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_ISSET_FUNC_NAME, sizeof(ZEND_ISSET_FUNC_NAME) - 1)) {
2127		if (fptr->common.num_args != 1) {
2128			zend_error(error_type, "Method %s::%s() must take exactly 1 argument", ZSTR_VAL(ce->name), ZEND_ISSET_FUNC_NAME);
2129		} else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1)) {
2130			zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ZSTR_VAL(ce->name), ZEND_ISSET_FUNC_NAME);
2131		}
2132	} else if (name_len == sizeof(ZEND_CALL_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_CALL_FUNC_NAME, sizeof(ZEND_CALL_FUNC_NAME) - 1)) {
2133		if (fptr->common.num_args != 2) {
2134			zend_error(error_type, "Method %s::%s() must take exactly 2 arguments", ZSTR_VAL(ce->name), ZEND_CALL_FUNC_NAME);
2135		} else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1) || ARG_SHOULD_BE_SENT_BY_REF(fptr, 2)) {
2136			zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ZSTR_VAL(ce->name), ZEND_CALL_FUNC_NAME);
2137		}
2138	} else if (name_len == sizeof(ZEND_CALLSTATIC_FUNC_NAME) - 1 &&
2139		!memcmp(lcname, ZEND_CALLSTATIC_FUNC_NAME, sizeof(ZEND_CALLSTATIC_FUNC_NAME)-1)
2140	) {
2141		if (fptr->common.num_args != 2) {
2142			zend_error(error_type, "Method %s::__callStatic() must take exactly 2 arguments", ZSTR_VAL(ce->name));
2143		} else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1) || ARG_SHOULD_BE_SENT_BY_REF(fptr, 2)) {
2144			zend_error(error_type, "Method %s::__callStatic() cannot take arguments by reference", ZSTR_VAL(ce->name));
2145		}
2146 	} else if (name_len == sizeof(ZEND_TOSTRING_FUNC_NAME) - 1 &&
2147 		!memcmp(lcname, ZEND_TOSTRING_FUNC_NAME, sizeof(ZEND_TOSTRING_FUNC_NAME)-1) && fptr->common.num_args != 0
2148	) {
2149		zend_error(error_type, "Method %s::%s() cannot take arguments", ZSTR_VAL(ce->name), ZEND_TOSTRING_FUNC_NAME);
2150	} else if (name_len == sizeof(ZEND_DEBUGINFO_FUNC_NAME) - 1 &&
2151		!memcmp(lcname, ZEND_DEBUGINFO_FUNC_NAME, sizeof(ZEND_DEBUGINFO_FUNC_NAME)-1) && fptr->common.num_args != 0) {
2152		zend_error(error_type, "Method %s::%s() cannot take arguments", ZSTR_VAL(ce->name), ZEND_DEBUGINFO_FUNC_NAME);
2153	}
2154}
2155/* }}} */
2156
2157/* registers all functions in *library_functions in the function hash */
2158ZEND_API int zend_register_functions(zend_class_entry *scope, const zend_function_entry *functions, HashTable *function_table, int type) /* {{{ */
2159{
2160	const zend_function_entry *ptr = functions;
2161	zend_function function, *reg_function;
2162	zend_internal_function *internal_function = (zend_internal_function *)&function;
2163	int count=0, unload=0;
2164	HashTable *target_function_table = function_table;
2165	int error_type;
2166	zend_function *ctor = NULL, *dtor = NULL, *clone = NULL, *__get = NULL, *__set = NULL, *__unset = NULL, *__isset = NULL, *__call = NULL, *__callstatic = NULL, *__tostring = NULL, *__debugInfo = NULL;
2167	zend_string *lowercase_name;
2168	size_t fname_len;
2169	const char *lc_class_name = NULL;
2170	size_t class_name_len = 0;
2171
2172	if (type==MODULE_PERSISTENT) {
2173		error_type = E_CORE_WARNING;
2174	} else {
2175		error_type = E_WARNING;
2176	}
2177
2178	if (!target_function_table) {
2179		target_function_table = CG(function_table);
2180	}
2181	internal_function->type = ZEND_INTERNAL_FUNCTION;
2182	internal_function->module = EG(current_module);
2183	memset(internal_function->reserved, 0, ZEND_MAX_RESERVED_RESOURCES * sizeof(void*));
2184
2185	if (scope) {
2186		class_name_len = ZSTR_LEN(scope->name);
2187		if ((lc_class_name = zend_memrchr(ZSTR_VAL(scope->name), '\\', class_name_len))) {
2188			++lc_class_name;
2189			class_name_len -= (lc_class_name - ZSTR_VAL(scope->name));
2190			lc_class_name = zend_str_tolower_dup(lc_class_name, class_name_len);
2191		} else {
2192			lc_class_name = zend_str_tolower_dup(ZSTR_VAL(scope->name), class_name_len);
2193		}
2194	}
2195
2196	while (ptr->fname) {
2197		fname_len = strlen(ptr->fname);
2198		internal_function->handler = ptr->handler;
2199		internal_function->function_name = zend_string_init_interned(ptr->fname, fname_len, 1);
2200		internal_function->scope = scope;
2201		internal_function->prototype = NULL;
2202		if (ptr->flags) {
2203			if (!(ptr->flags & ZEND_ACC_PPP_MASK)) {
2204				if (ptr->flags != ZEND_ACC_DEPRECATED && scope) {
2205					zend_error(error_type, "Invalid access level for %s%s%s() - access must be exactly one of public, protected or private", scope ? ZSTR_VAL(scope->name) : "", scope ? "::" : "", ptr->fname);
2206				}
2207				internal_function->fn_flags = ZEND_ACC_PUBLIC | ptr->flags;
2208			} else {
2209				internal_function->fn_flags = ptr->flags;
2210			}
2211		} else {
2212			internal_function->fn_flags = ZEND_ACC_PUBLIC;
2213		}
2214		if (ptr->arg_info) {
2215			zend_internal_function_info *info = (zend_internal_function_info*)ptr->arg_info;
2216
2217			internal_function->arg_info = (zend_internal_arg_info*)ptr->arg_info+1;
2218			internal_function->num_args = ptr->num_args;
2219			/* Currently you cannot denote that the function can accept less arguments than num_args */
2220			if (info->required_num_args == (zend_uintptr_t)-1) {
2221				internal_function->required_num_args = ptr->num_args;
2222			} else {
2223				internal_function->required_num_args = info->required_num_args;
2224			}
2225			if (info->return_reference) {
2226				internal_function->fn_flags |= ZEND_ACC_RETURN_REFERENCE;
2227			}
2228			if (ptr->arg_info[ptr->num_args].is_variadic) {
2229				internal_function->fn_flags |= ZEND_ACC_VARIADIC;
2230				/* Don't count the variadic argument */
2231				internal_function->num_args--;
2232			}
2233			if (ZEND_TYPE_IS_SET(info->type)) {
2234				if (ZEND_TYPE_IS_CLASS(info->type)) {
2235					const char *type_name = (const char*)info->type;
2236
2237					if (type_name[0] == '?') {
2238						type_name++;
2239					}
2240					if (!scope && (!strcasecmp(type_name, "self") || !strcasecmp(type_name, "parent"))) {
2241						zend_error_noreturn(E_CORE_ERROR, "Cannot declare a return type of %s outside of a class scope", type_name);
2242					}
2243				}
2244
2245				internal_function->fn_flags |= ZEND_ACC_HAS_RETURN_TYPE;
2246			}
2247		} else {
2248			internal_function->arg_info = NULL;
2249			internal_function->num_args = 0;
2250			internal_function->required_num_args = 0;
2251		}
2252		zend_set_function_arg_flags((zend_function*)internal_function);
2253		if (ptr->flags & ZEND_ACC_ABSTRACT) {
2254			if (scope) {
2255				/* This is a class that must be abstract itself. Here we set the check info. */
2256				scope->ce_flags |= ZEND_ACC_IMPLICIT_ABSTRACT_CLASS;
2257				if (!(scope->ce_flags & ZEND_ACC_INTERFACE)) {
2258					/* Since the class is not an interface it needs to be declared as a abstract class. */
2259					/* Since here we are handling internal functions only we can add the keyword flag. */
2260					/* This time we set the flag for the keyword 'abstract'. */
2261					scope->ce_flags |= ZEND_ACC_EXPLICIT_ABSTRACT_CLASS;
2262				}
2263			}
2264			if (ptr->flags & ZEND_ACC_STATIC && (!scope || !(scope->ce_flags & ZEND_ACC_INTERFACE))) {
2265				zend_error(error_type, "Static function %s%s%s() cannot be abstract", scope ? ZSTR_VAL(scope->name) : "", scope ? "::" : "", ptr->fname);
2266			}
2267		} else {
2268			if (scope && (scope->ce_flags & ZEND_ACC_INTERFACE)) {
2269				efree((char*)lc_class_name);
2270				zend_error(error_type, "Interface %s cannot contain non abstract method %s()", ZSTR_VAL(scope->name), ptr->fname);
2271				return FAILURE;
2272			}
2273			if (!internal_function->handler) {
2274				if (scope) {
2275					efree((char*)lc_class_name);
2276				}
2277				zend_error(error_type, "Method %s%s%s() cannot be a NULL function", scope ? ZSTR_VAL(scope->name) : "", scope ? "::" : "", ptr->fname);
2278				zend_unregister_functions(functions, count, target_function_table);
2279				return FAILURE;
2280			}
2281		}
2282		lowercase_name = zend_string_tolower_ex(internal_function->function_name, type == MODULE_PERSISTENT);
2283		lowercase_name = zend_new_interned_string(lowercase_name);
2284		reg_function = malloc(sizeof(zend_internal_function));
2285		memcpy(reg_function, &function, sizeof(zend_internal_function));
2286		if (zend_hash_add_ptr(target_function_table, lowercase_name, reg_function) == NULL) {
2287			unload=1;
2288			free(reg_function);
2289			zend_string_release(lowercase_name);
2290			break;
2291		}
2292
2293		/* If types of arguments have to be checked */
2294		if (reg_function->common.arg_info && reg_function->common.num_args) {
2295			uint32_t i;
2296			for (i = 0; i < reg_function->common.num_args; i++) {
2297				if (ZEND_TYPE_IS_SET(reg_function->common.arg_info[i].type)) {
2298				    reg_function->common.fn_flags |= ZEND_ACC_HAS_TYPE_HINTS;
2299					break;
2300				}
2301			}
2302		}
2303
2304		if (reg_function->common.arg_info &&
2305		    (reg_function->common.fn_flags & (ZEND_ACC_HAS_RETURN_TYPE|ZEND_ACC_HAS_TYPE_HINTS))) {
2306			/* convert "const char*" class type names into "zend_string*" */
2307			uint32_t i;
2308			uint32_t num_args = reg_function->common.num_args + 1;
2309			zend_arg_info *arg_info = reg_function->common.arg_info - 1;
2310			zend_arg_info *new_arg_info;
2311
2312			if (reg_function->common.fn_flags & ZEND_ACC_VARIADIC) {
2313				num_args++;
2314			}
2315			new_arg_info = malloc(sizeof(zend_arg_info) * num_args);
2316			memcpy(new_arg_info, arg_info, sizeof(zend_arg_info) * num_args);
2317			reg_function->common.arg_info = new_arg_info + 1;
2318			for (i = 0; i < num_args; i++) {
2319				if (ZEND_TYPE_IS_CLASS(new_arg_info[i].type)) {
2320					const char *class_name = (const char*)new_arg_info[i].type;
2321					zend_bool allow_null = 0;
2322					zend_string *str;
2323
2324					if (class_name[0] == '?') {
2325						class_name++;
2326						allow_null = 1;
2327					}
2328					str = zend_string_init_interned(class_name, strlen(class_name), 1);
2329					new_arg_info[i].type = ZEND_TYPE_ENCODE_CLASS(str, allow_null);
2330				}
2331			}
2332		}
2333
2334		if (scope) {
2335			/* Look for ctor, dtor, clone
2336			 * If it's an old-style constructor, store it only if we don't have
2337			 * a constructor already.
2338			 */
2339			if ((fname_len == class_name_len) && !ctor && !memcmp(ZSTR_VAL(lowercase_name), lc_class_name, class_name_len+1)) {
2340				ctor = reg_function;
2341			} else if (ZSTR_VAL(lowercase_name)[0] != '_' || ZSTR_VAL(lowercase_name)[1] != '_') {
2342				reg_function = NULL;
2343			} else if (zend_string_equals_literal(lowercase_name, ZEND_CONSTRUCTOR_FUNC_NAME)) {
2344				ctor = reg_function;
2345			} else if (zend_string_equals_literal(lowercase_name, ZEND_DESTRUCTOR_FUNC_NAME)) {
2346				dtor = reg_function;
2347				if (internal_function->num_args) {
2348					zend_error(error_type, "Destructor %s::%s() cannot take arguments", ZSTR_VAL(scope->name), ptr->fname);
2349				}
2350			} else if (zend_string_equals_literal(lowercase_name, ZEND_CLONE_FUNC_NAME)) {
2351				clone = reg_function;
2352			} else if (zend_string_equals_literal(lowercase_name, ZEND_CALL_FUNC_NAME)) {
2353				__call = reg_function;
2354			} else if (zend_string_equals_literal(lowercase_name, ZEND_CALLSTATIC_FUNC_NAME)) {
2355				__callstatic = reg_function;
2356			} else if (zend_string_equals_literal(lowercase_name, ZEND_TOSTRING_FUNC_NAME)) {
2357				__tostring = reg_function;
2358			} else if (zend_string_equals_literal(lowercase_name, ZEND_GET_FUNC_NAME)) {
2359				__get = reg_function;
2360				scope->ce_flags |= ZEND_ACC_USE_GUARDS;
2361			} else if (zend_string_equals_literal(lowercase_name, ZEND_SET_FUNC_NAME)) {
2362				__set = reg_function;
2363				scope->ce_flags |= ZEND_ACC_USE_GUARDS;
2364			} else if (zend_string_equals_literal(lowercase_name, ZEND_UNSET_FUNC_NAME)) {
2365				__unset = reg_function;
2366				scope->ce_flags |= ZEND_ACC_USE_GUARDS;
2367			} else if (zend_string_equals_literal(lowercase_name, ZEND_ISSET_FUNC_NAME)) {
2368				__isset = reg_function;
2369				scope->ce_flags |= ZEND_ACC_USE_GUARDS;
2370			} else if (zend_string_equals_literal(lowercase_name, ZEND_DEBUGINFO_FUNC_NAME)) {
2371				__debugInfo = reg_function;
2372			} else {
2373				reg_function = NULL;
2374			}
2375			if (reg_function) {
2376				zend_check_magic_method_implementation(scope, reg_function, error_type);
2377			}
2378		}
2379		ptr++;
2380		count++;
2381		zend_string_release(lowercase_name);
2382	}
2383	if (unload) { /* before unloading, display all remaining bad function in the module */
2384		if (scope) {
2385			efree((char*)lc_class_name);
2386		}
2387		while (ptr->fname) {
2388			fname_len = strlen(ptr->fname);
2389			lowercase_name = zend_string_alloc(fname_len, 0);
2390			zend_str_tolower_copy(ZSTR_VAL(lowercase_name), ptr->fname, fname_len);
2391			if (zend_hash_exists(target_function_table, lowercase_name)) {
2392				zend_error(error_type, "Function registration failed - duplicate name - %s%s%s", scope ? ZSTR_VAL(scope->name) : "", scope ? "::" : "", ptr->fname);
2393			}
2394			zend_string_efree(lowercase_name);
2395			ptr++;
2396		}
2397		zend_unregister_functions(functions, count, target_function_table);
2398		return FAILURE;
2399	}
2400	if (scope) {
2401		scope->constructor = ctor;
2402		scope->destructor = dtor;
2403		scope->clone = clone;
2404		scope->__call = __call;
2405		scope->__callstatic = __callstatic;
2406		scope->__tostring = __tostring;
2407		scope->__get = __get;
2408		scope->__set = __set;
2409		scope->__unset = __unset;
2410		scope->__isset = __isset;
2411		scope->__debugInfo = __debugInfo;
2412		if (ctor) {
2413			ctor->common.fn_flags |= ZEND_ACC_CTOR;
2414			if (ctor->common.fn_flags & ZEND_ACC_STATIC) {
2415				zend_error(error_type, "Constructor %s::%s() cannot be static", ZSTR_VAL(scope->name), ZSTR_VAL(ctor->common.function_name));
2416			}
2417			ctor->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
2418		}
2419		if (dtor) {
2420			dtor->common.fn_flags |= ZEND_ACC_DTOR;
2421			if (dtor->common.fn_flags & ZEND_ACC_STATIC) {
2422				zend_error(error_type, "Destructor %s::%s() cannot be static", ZSTR_VAL(scope->name), ZSTR_VAL(dtor->common.function_name));
2423			}
2424			dtor->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
2425		}
2426		if (clone) {
2427			if (clone->common.fn_flags & ZEND_ACC_STATIC) {
2428				zend_error(error_type, "%s::%s() cannot be static", ZSTR_VAL(scope->name), ZSTR_VAL(clone->common.function_name));
2429			}
2430			clone->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
2431		}
2432		if (__call) {
2433			if (__call->common.fn_flags & ZEND_ACC_STATIC) {
2434				zend_error(error_type, "Method %s::%s() cannot be static", ZSTR_VAL(scope->name), ZSTR_VAL(__call->common.function_name));
2435			}
2436			__call->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
2437		}
2438		if (__callstatic) {
2439			if (!(__callstatic->common.fn_flags & ZEND_ACC_STATIC)) {
2440				zend_error(error_type, "Method %s::%s() must be static", ZSTR_VAL(scope->name), ZSTR_VAL(__callstatic->common.function_name));
2441			}
2442			__callstatic->common.fn_flags |= ZEND_ACC_STATIC;
2443		}
2444		if (__tostring) {
2445			if (__tostring->common.fn_flags & ZEND_ACC_STATIC) {
2446				zend_error(error_type, "Method %s::%s() cannot be static", ZSTR_VAL(scope->name), ZSTR_VAL(__tostring->common.function_name));
2447			}
2448			__tostring->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
2449		}
2450		if (__get) {
2451			if (__get->common.fn_flags & ZEND_ACC_STATIC) {
2452				zend_error(error_type, "Method %s::%s() cannot be static", ZSTR_VAL(scope->name), ZSTR_VAL(__get->common.function_name));
2453			}
2454			__get->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
2455		}
2456		if (__set) {
2457			if (__set->common.fn_flags & ZEND_ACC_STATIC) {
2458				zend_error(error_type, "Method %s::%s() cannot be static", ZSTR_VAL(scope->name), ZSTR_VAL(__set->common.function_name));
2459			}
2460			__set->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
2461		}
2462		if (__unset) {
2463			if (__unset->common.fn_flags & ZEND_ACC_STATIC) {
2464				zend_error(error_type, "Method %s::%s() cannot be static", ZSTR_VAL(scope->name), ZSTR_VAL(__unset->common.function_name));
2465			}
2466			__unset->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
2467		}
2468		if (__isset) {
2469			if (__isset->common.fn_flags & ZEND_ACC_STATIC) {
2470				zend_error(error_type, "Method %s::%s() cannot be static", ZSTR_VAL(scope->name), ZSTR_VAL(__isset->common.function_name));
2471			}
2472			__isset->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
2473		}
2474		if (__debugInfo) {
2475			if (__debugInfo->common.fn_flags & ZEND_ACC_STATIC) {
2476				zend_error(error_type, "Method %s::%s() cannot be static", ZSTR_VAL(scope->name), ZSTR_VAL(__debugInfo->common.function_name));
2477			}
2478		}
2479
2480		if (ctor && ctor->common.fn_flags & ZEND_ACC_HAS_RETURN_TYPE && ctor->common.fn_flags & ZEND_ACC_CTOR) {
2481			zend_error_noreturn(E_CORE_ERROR, "Constructor %s::%s() cannot declare a return type", ZSTR_VAL(scope->name), ZSTR_VAL(ctor->common.function_name));
2482		}
2483
2484		if (dtor && dtor->common.fn_flags & ZEND_ACC_HAS_RETURN_TYPE && dtor->common.fn_flags & ZEND_ACC_DTOR) {
2485			zend_error_noreturn(E_CORE_ERROR, "Destructor %s::%s() cannot declare a return type", ZSTR_VAL(scope->name), ZSTR_VAL(dtor->common.function_name));
2486		}
2487
2488		if (clone && (clone->common.fn_flags & ZEND_ACC_HAS_RETURN_TYPE)) {
2489			zend_error_noreturn(E_CORE_ERROR, "%s::%s() cannot declare a return type", ZSTR_VAL(scope->name), ZSTR_VAL(clone->common.function_name));
2490		}
2491		efree((char*)lc_class_name);
2492	}
2493	return SUCCESS;
2494}
2495/* }}} */
2496
2497/* count=-1 means erase all functions, otherwise,
2498 * erase the first count functions
2499 */
2500ZEND_API void zend_unregister_functions(const zend_function_entry *functions, int count, HashTable *function_table) /* {{{ */
2501{
2502	const zend_function_entry *ptr = functions;
2503	int i=0;
2504	HashTable *target_function_table = function_table;
2505	zend_string *lowercase_name;
2506	size_t fname_len;
2507
2508	if (!target_function_table) {
2509		target_function_table = CG(function_table);
2510	}
2511	while (ptr->fname) {
2512		if (count!=-1 && i>=count) {
2513			break;
2514		}
2515		fname_len = strlen(ptr->fname);
2516		lowercase_name = zend_string_alloc(fname_len, 0);
2517		zend_str_tolower_copy(ZSTR_VAL(lowercase_name), ptr->fname, fname_len);
2518		zend_hash_del(target_function_table, lowercase_name);
2519		zend_string_efree(lowercase_name);
2520		ptr++;
2521		i++;
2522	}
2523}
2524/* }}} */
2525
2526ZEND_API int zend_startup_module(zend_module_entry *module) /* {{{ */
2527{
2528	if ((module = zend_register_internal_module(module)) != NULL && zend_startup_module_ex(module) == SUCCESS) {
2529		return SUCCESS;
2530	}
2531	return FAILURE;
2532}
2533/* }}} */
2534
2535ZEND_API int zend_get_module_started(const char *module_name) /* {{{ */
2536{
2537	zend_module_entry *module;
2538
2539	module = zend_hash_str_find_ptr(&module_registry, module_name, strlen(module_name));
2540	return (module && module->module_started) ? SUCCESS : FAILURE;
2541}
2542/* }}} */
2543
2544static int clean_module_class(zval *el, void *arg) /* {{{ */
2545{
2546	zend_class_entry *ce = (zend_class_entry *)Z_PTR_P(el);
2547	int module_number = *(int *)arg;
2548	if (ce->type == ZEND_INTERNAL_CLASS && ce->info.internal.module->module_number == module_number) {
2549		return ZEND_HASH_APPLY_REMOVE;
2550	} else {
2551		return ZEND_HASH_APPLY_KEEP;
2552	}
2553}
2554/* }}} */
2555
2556static void clean_module_classes(int module_number) /* {{{ */
2557{
2558	zend_hash_apply_with_argument(EG(class_table), clean_module_class, (void *) &module_number);
2559}
2560/* }}} */
2561
2562void module_destructor(zend_module_entry *module) /* {{{ */
2563{
2564
2565	if (module->type == MODULE_TEMPORARY) {
2566		zend_clean_module_rsrc_dtors(module->module_number);
2567		clean_module_constants(module->module_number);
2568		clean_module_classes(module->module_number);
2569	}
2570
2571	if (module->module_started && module->module_shutdown_func) {
2572#if 0
2573		zend_printf("%s: Module shutdown\n", module->name);
2574#endif
2575		module->module_shutdown_func(module->type, module->module_number);
2576	}
2577
2578	/* Deinitilaise module globals */
2579	if (module->globals_size) {
2580#ifdef ZTS
2581		if (*module->globals_id_ptr) {
2582			ts_free_id(*module->globals_id_ptr);
2583		}
2584#else
2585		if (module->globals_dtor) {
2586			module->globals_dtor(module->globals_ptr);
2587		}
2588#endif
2589	}
2590
2591	module->module_started=0;
2592	if (module->type == MODULE_TEMPORARY && module->functions) {
2593		zend_unregister_functions(module->functions, -1, NULL);
2594	}
2595
2596#if HAVE_LIBDL
2597	if (module->handle && !getenv("ZEND_DONT_UNLOAD_MODULES")) {
2598		DL_UNLOAD(module->handle);
2599	}
2600#endif
2601}
2602/* }}} */
2603
2604ZEND_API void zend_activate_modules(void) /* {{{ */
2605{
2606	zend_module_entry **p = module_request_startup_handlers;
2607
2608	while (*p) {
2609		zend_module_entry *module = *p;
2610
2611		if (module->request_startup_func(module->type, module->module_number)==FAILURE) {
2612			zend_error(E_WARNING, "request_startup() for %s module failed", module->name);
2613			exit(1);
2614		}
2615		p++;
2616	}
2617}
2618/* }}} */
2619
2620/* call request shutdown for all modules */
2621static int module_registry_cleanup(zval *zv) /* {{{ */
2622{
2623	zend_module_entry *module = Z_PTR_P(zv);
2624
2625	if (module->request_shutdown_func) {
2626#if 0
2627		zend_printf("%s: Request shutdown\n", module->name);
2628#endif
2629		module->request_shutdown_func(module->type, module->module_number);
2630	}
2631	return 0;
2632}
2633/* }}} */
2634
2635ZEND_API void zend_deactivate_modules(void) /* {{{ */
2636{
2637	EG(current_execute_data) = NULL; /* we're no longer executing anything */
2638
2639	zend_try {
2640		if (EG(full_tables_cleanup)) {
2641			zend_hash_reverse_apply(&module_registry, module_registry_cleanup);
2642		} else {
2643			zend_module_entry **p = module_request_shutdown_handlers;
2644
2645			while (*p) {
2646				zend_module_entry *module = *p;
2647
2648				module->request_shutdown_func(module->type, module->module_number);
2649				p++;
2650			}
2651		}
2652	} zend_end_try();
2653}
2654/* }}} */
2655
2656ZEND_API void zend_cleanup_internal_classes(void) /* {{{ */
2657{
2658	zend_class_entry **p = class_cleanup_handlers;
2659
2660	while (*p) {
2661		zend_cleanup_internal_class_data(*p);
2662		p++;
2663	}
2664}
2665/* }}} */
2666
2667int module_registry_unload_temp(const zend_module_entry *module) /* {{{ */
2668{
2669	return (module->type == MODULE_TEMPORARY) ? ZEND_HASH_APPLY_REMOVE : ZEND_HASH_APPLY_STOP;
2670}
2671/* }}} */
2672
2673static int module_registry_unload_temp_wrapper(zval *el) /* {{{ */
2674{
2675	zend_module_entry *module = (zend_module_entry *)Z_PTR_P(el);
2676	return module_registry_unload_temp((const zend_module_entry *)module);
2677}
2678/* }}} */
2679
2680static int exec_done_cb(zval *el) /* {{{ */
2681{
2682	zend_module_entry *module = (zend_module_entry *)Z_PTR_P(el);
2683	if (module->post_deactivate_func) {
2684		module->post_deactivate_func();
2685	}
2686	return 0;
2687}
2688/* }}} */
2689
2690ZEND_API void zend_post_deactivate_modules(void) /* {{{ */
2691{
2692	if (EG(full_tables_cleanup)) {
2693		zend_hash_apply(&module_registry, exec_done_cb);
2694		zend_hash_reverse_apply(&module_registry, module_registry_unload_temp_wrapper);
2695	} else {
2696		zend_module_entry **p = module_post_deactivate_handlers;
2697
2698		while (*p) {
2699			zend_module_entry *module = *p;
2700
2701			module->post_deactivate_func();
2702			p++;
2703		}
2704	}
2705}
2706/* }}} */
2707
2708/* return the next free module number */
2709ZEND_API int zend_next_free_module(void) /* {{{ */
2710{
2711	return zend_hash_num_elements(&module_registry) + 1;
2712}
2713/* }}} */
2714
2715static zend_class_entry *do_register_internal_class(zend_class_entry *orig_class_entry, uint32_t ce_flags) /* {{{ */
2716{
2717	zend_class_entry *class_entry = malloc(sizeof(zend_class_entry));
2718	zend_string *lowercase_name;
2719	*class_entry = *orig_class_entry;
2720
2721	class_entry->type = ZEND_INTERNAL_CLASS;
2722	zend_initialize_class_data(class_entry, 0);
2723	class_entry->ce_flags = ce_flags | ZEND_ACC_CONSTANTS_UPDATED;
2724	class_entry->info.internal.module = EG(current_module);
2725
2726	if (class_entry->info.internal.builtin_functions) {
2727		zend_register_functions(class_entry, class_entry->info.internal.builtin_functions, &class_entry->function_table, EG(current_module)->type);
2728	}
2729
2730	lowercase_name = zend_string_tolower_ex(orig_class_entry->name, EG(current_module)->type == MODULE_PERSISTENT);
2731	lowercase_name = zend_new_interned_string(lowercase_name);
2732	zend_hash_update_ptr(CG(class_table), lowercase_name, class_entry);
2733	zend_string_release_ex(lowercase_name, 1);
2734	return class_entry;
2735}
2736/* }}} */
2737
2738/* If parent_ce is not NULL then it inherits from parent_ce
2739 * If parent_ce is NULL and parent_name isn't then it looks for the parent and inherits from it
2740 * If both parent_ce and parent_name are NULL it does a regular class registration
2741 * If parent_name is specified but not found NULL is returned
2742 */
2743ZEND_API zend_class_entry *zend_register_internal_class_ex(zend_class_entry *class_entry, zend_class_entry *parent_ce) /* {{{ */
2744{
2745	zend_class_entry *register_class;
2746
2747	register_class = zend_register_internal_class(class_entry);
2748
2749	if (parent_ce) {
2750		zend_do_inheritance(register_class, parent_ce);
2751	}
2752	return register_class;
2753}
2754/* }}} */
2755
2756ZEND_API void zend_class_implements(zend_class_entry *class_entry, int num_interfaces, ...) /* {{{ */
2757{
2758	zend_class_entry *interface_entry;
2759	va_list interface_list;
2760	va_start(interface_list, num_interfaces);
2761
2762	while (num_interfaces--) {
2763		interface_entry = va_arg(interface_list, zend_class_entry *);
2764		zend_do_implement_interface(class_entry, interface_entry);
2765	}
2766
2767	va_end(interface_list);
2768}
2769/* }}} */
2770
2771/* A class that contains at least one abstract method automatically becomes an abstract class.
2772 */
2773ZEND_API zend_class_entry *zend_register_internal_class(zend_class_entry *orig_class_entry) /* {{{ */
2774{
2775	return do_register_internal_class(orig_class_entry, 0);
2776}
2777/* }}} */
2778
2779ZEND_API zend_class_entry *zend_register_internal_interface(zend_class_entry *orig_class_entry) /* {{{ */
2780{
2781	return do_register_internal_class(orig_class_entry, ZEND_ACC_INTERFACE);
2782}
2783/* }}} */
2784
2785ZEND_API int zend_register_class_alias_ex(const char *name, size_t name_len, zend_class_entry *ce, int persistent) /* {{{ */
2786{
2787	zend_string *lcname;
2788
2789	/* TODO: Move this out of here in 7.4. */
2790	if (persistent && EG(current_module) && EG(current_module)->type == MODULE_TEMPORARY) {
2791		persistent = 0;
2792	}
2793
2794	if (name[0] == '\\') {
2795		lcname = zend_string_alloc(name_len-1, persistent);
2796		zend_str_tolower_copy(ZSTR_VAL(lcname), name+1, name_len-1);
2797	} else {
2798		lcname = zend_string_alloc(name_len, persistent);
2799		zend_str_tolower_copy(ZSTR_VAL(lcname), name, name_len);
2800	}
2801
2802	zend_assert_valid_class_name(lcname);
2803
2804	lcname = zend_new_interned_string(lcname);
2805	ce = zend_hash_add_ptr(CG(class_table), lcname, ce);
2806	zend_string_release_ex(lcname, 0);
2807	if (ce) {
2808		ce->refcount++;
2809		return SUCCESS;
2810	}
2811	return FAILURE;
2812}
2813/* }}} */
2814
2815ZEND_API int zend_set_hash_symbol(zval *symbol, const char *name, int name_length, zend_bool is_ref, int num_symbol_tables, ...) /* {{{ */
2816{
2817	HashTable *symbol_table;
2818	va_list symbol_table_list;
2819
2820	if (num_symbol_tables <= 0) return FAILURE;
2821
2822	if (is_ref) {
2823		ZVAL_MAKE_REF(symbol);
2824	}
2825
2826	va_start(symbol_table_list, num_symbol_tables);
2827	while (num_symbol_tables-- > 0) {
2828		symbol_table = va_arg(symbol_table_list, HashTable *);
2829		zend_hash_str_update(symbol_table, name, name_length, symbol);
2830		Z_TRY_ADDREF_P(symbol);
2831	}
2832	va_end(symbol_table_list);
2833	return SUCCESS;
2834}
2835/* }}} */
2836
2837/* Disabled functions support */
2838
2839/* {{{ proto void display_disabled_function(void)
2840Dummy function which displays an error when a disabled function is called. */
2841ZEND_API ZEND_FUNCTION(display_disabled_function)
2842{
2843	zend_error(E_WARNING, "%s() has been disabled for security reasons", get_active_function_name());
2844}
2845/* }}} */
2846
2847ZEND_API int zend_disable_function(char *function_name, size_t function_name_length) /* {{{ */
2848{
2849	zend_internal_function *func;
2850	if ((func = zend_hash_str_find_ptr(CG(function_table), function_name, function_name_length))) {
2851	    func->fn_flags &= ~(ZEND_ACC_VARIADIC | ZEND_ACC_HAS_TYPE_HINTS | ZEND_ACC_HAS_RETURN_TYPE);
2852		func->num_args = 0;
2853		func->arg_info = NULL;
2854		func->handler = ZEND_FN(display_disabled_function);
2855		return SUCCESS;
2856	}
2857	return FAILURE;
2858}
2859/* }}} */
2860
2861#ifdef ZEND_WIN32
2862#pragma optimize("", off)
2863#endif
2864static zend_object *display_disabled_class(zend_class_entry *class_type) /* {{{ */
2865{
2866	zend_object *intern;
2867
2868	intern = zend_objects_new(class_type);
2869
2870	/* Initialize default properties */
2871	if (EXPECTED(class_type->default_properties_count != 0)) {
2872		zval *p = intern->properties_table;
2873		zval *end = p + class_type->default_properties_count;
2874		do {
2875			ZVAL_UNDEF(p);
2876			p++;
2877		} while (p != end);
2878	}
2879
2880	zend_error(E_WARNING, "%s() has been disabled for security reasons", ZSTR_VAL(class_type->name));
2881	return intern;
2882}
2883#ifdef ZEND_WIN32
2884#pragma optimize("", on)
2885#endif
2886/* }}} */
2887
2888static const zend_function_entry disabled_class_new[] = {
2889	ZEND_FE_END
2890};
2891
2892ZEND_API int zend_disable_class(char *class_name, size_t class_name_length) /* {{{ */
2893{
2894	zend_class_entry *disabled_class;
2895	zend_string *key;
2896
2897	key = zend_string_alloc(class_name_length, 0);
2898	zend_str_tolower_copy(ZSTR_VAL(key), class_name, class_name_length);
2899	disabled_class = zend_hash_find_ptr(CG(class_table), key);
2900	zend_string_release_ex(key, 0);
2901	if (!disabled_class) {
2902		return FAILURE;
2903	}
2904	INIT_CLASS_ENTRY_INIT_METHODS((*disabled_class), disabled_class_new);
2905	disabled_class->create_object = display_disabled_class;
2906	zend_hash_clean(&disabled_class->function_table);
2907	return SUCCESS;
2908}
2909/* }}} */
2910
2911static int zend_is_callable_check_class(zend_string *name, zend_class_entry *scope, zend_fcall_info_cache *fcc, int *strict_class, char **error) /* {{{ */
2912{
2913	int ret = 0;
2914	zend_class_entry *ce;
2915	size_t name_len = ZSTR_LEN(name);
2916	zend_string *lcname;
2917	ALLOCA_FLAG(use_heap);
2918
2919	ZSTR_ALLOCA_ALLOC(lcname, name_len, use_heap);
2920	zend_str_tolower_copy(ZSTR_VAL(lcname), ZSTR_VAL(name), name_len);
2921
2922	*strict_class = 0;
2923	if (zend_string_equals_literal(lcname, "self")) {
2924		if (!scope) {
2925			if (error) *error = estrdup("cannot access self:: when no class scope is active");
2926		} else {
2927			fcc->called_scope = zend_get_called_scope(EG(current_execute_data));
2928			fcc->calling_scope = scope;
2929			if (!fcc->object) {
2930				fcc->object = zend_get_this_object(EG(current_execute_data));
2931			}
2932			ret = 1;
2933		}
2934	} else if (zend_string_equals_literal(lcname, "parent")) {
2935		if (!scope) {
2936			if (error) *error = estrdup("cannot access parent:: when no class scope is active");
2937		} else if (!scope->parent) {
2938			if (error) *error = estrdup("cannot access parent:: when current class scope has no parent");
2939		} else {
2940			fcc->called_scope = zend_get_called_scope(EG(current_execute_data));
2941			fcc->calling_scope = scope->parent;
2942			if (!fcc->object) {
2943				fcc->object = zend_get_this_object(EG(current_execute_data));
2944			}
2945			*strict_class = 1;
2946			ret = 1;
2947		}
2948	} else if (zend_string_equals_literal(lcname, "static")) {
2949		zend_class_entry *called_scope = zend_get_called_scope(EG(current_execute_data));
2950
2951		if (!called_scope) {
2952			if (error) *error = estrdup("cannot access static:: when no class scope is active");
2953		} else {
2954			fcc->called_scope = called_scope;
2955			fcc->calling_scope = called_scope;
2956			if (!fcc->object) {
2957				fcc->object = zend_get_this_object(EG(current_execute_data));
2958			}
2959			*strict_class = 1;
2960			ret = 1;
2961		}
2962	} else if ((ce = zend_lookup_class_ex(name, NULL, 1)) != NULL) {
2963		zend_class_entry *scope;
2964		zend_execute_data *ex = EG(current_execute_data);
2965
2966		while (ex && (!ex->func || !ZEND_USER_CODE(ex->func->type))) {
2967			ex = ex->prev_execute_data;
2968		}
2969		scope = ex ? ex->func->common.scope : NULL;
2970		fcc->calling_scope = ce;
2971		if (scope && !fcc->object) {
2972			zend_object *object = zend_get_this_object(EG(current_execute_data));
2973
2974			if (object &&
2975			    instanceof_function(object->ce, scope) &&
2976			    instanceof_function(scope, ce)) {
2977				fcc->object = object;
2978				fcc->called_scope = object->ce;
2979			} else {
2980				fcc->called_scope = ce;
2981			}
2982		} else {
2983			fcc->called_scope = fcc->object ? fcc->object->ce : ce;
2984		}
2985		*strict_class = 1;
2986		ret = 1;
2987	} else {
2988		if (error) zend_spprintf(error, 0, "class '%.*s' not found", (int)name_len, ZSTR_VAL(name));
2989	}
2990	ZSTR_ALLOCA_FREE(lcname, use_heap);
2991	return ret;
2992}
2993/* }}} */
2994
2995static zend_always_inline int zend_is_callable_check_func(int check_flags, zval *callable, zend_fcall_info_cache *fcc, int strict_class, char **error) /* {{{ */
2996{
2997	zend_class_entry *ce_org = fcc->calling_scope;
2998	int retval = 0;
2999	zend_string *mname, *cname;
3000	zend_string *lmname;
3001	const char *colon;
3002	size_t clen;
3003	HashTable *ftable;
3004	int call_via_handler = 0;
3005	zend_class_entry *scope;
3006	zval *zv;
3007	ALLOCA_FLAG(use_heap)
3008
3009	fcc->calling_scope = NULL;
3010
3011	if (!ce_org) {
3012		zend_function *func;
3013		zend_string *lmname;
3014
3015		/* Check if function with given name exists.
3016		 * This may be a compound name that includes namespace name */
3017		if (UNEXPECTED(Z_STRVAL_P(callable)[0] == '\\')) {
3018			/* Skip leading \ */
3019			ZSTR_ALLOCA_ALLOC(lmname, Z_STRLEN_P(callable) - 1, use_heap);
3020			zend_str_tolower_copy(ZSTR_VAL(lmname), Z_STRVAL_P(callable) + 1, Z_STRLEN_P(callable) - 1);
3021			func = zend_fetch_function(lmname);
3022			ZSTR_ALLOCA_FREE(lmname, use_heap);
3023		} else {
3024			lmname = Z_STR_P(callable);
3025			func = zend_fetch_function(lmname);
3026			if (!func) {
3027				ZSTR_ALLOCA_ALLOC(lmname, Z_STRLEN_P(callable), use_heap);
3028				zend_str_tolower_copy(ZSTR_VAL(lmname), Z_STRVAL_P(callable), Z_STRLEN_P(callable));
3029				func = zend_fetch_function(lmname);
3030				ZSTR_ALLOCA_FREE(lmname, use_heap);
3031			}
3032		}
3033		if (EXPECTED(func != NULL)) {
3034			fcc->function_handler = func;
3035			return 1;
3036		}
3037	}
3038
3039	/* Split name into class/namespace and method/function names */
3040	if ((colon = zend_memrchr(Z_STRVAL_P(callable), ':', Z_STRLEN_P(callable))) != NULL &&
3041		colon > Z_STRVAL_P(callable) &&
3042		*(colon-1) == ':'
3043	) {
3044		size_t mlen;
3045
3046		colon--;
3047		clen = colon - Z_STRVAL_P(callable);
3048		mlen = Z_STRLEN_P(callable) - clen - 2;
3049
3050		if (colon == Z_STRVAL_P(callable)) {
3051			if (error) *error = estrdup("invalid function name");
3052			return 0;
3053		}
3054
3055		/* This is a compound name.
3056		 * Try to fetch class and then find static method. */
3057		if (ce_org) {
3058			scope = ce_org;
3059		} else {
3060			scope = zend_get_executed_scope();
3061		}
3062
3063		cname = zend_string_init(Z_STRVAL_P(callable), clen, 0);
3064		if (!zend_is_callable_check_class(cname, scope, fcc, &strict_class, error)) {
3065			zend_string_release_ex(cname, 0);
3066			return 0;
3067		}
3068		zend_string_release_ex(cname, 0);
3069
3070		ftable = &fcc->calling_scope->function_table;
3071		if (ce_org && !instanceof_function(ce_org, fcc->calling_scope)) {
3072			if (error) zend_spprintf(error, 0, "class '%s' is not a subclass of '%s'", ZSTR_VAL(ce_org->name), ZSTR_VAL(fcc->calling_scope->name));
3073			return 0;
3074		}
3075		mname = zend_string_init(Z_STRVAL_P(callable) + clen + 2, mlen, 0);
3076	} else if (ce_org) {
3077		/* Try to fetch find static method of given class. */
3078		mname = Z_STR_P(callable);
3079		zend_string_addref(mname);
3080		ftable = &ce_org->function_table;
3081		fcc->calling_scope = ce_org;
3082	} else {
3083		/* We already checked for plain function before. */
3084		if (error && !(check_flags & IS_CALLABLE_CHECK_SILENT)) {
3085			zend_spprintf(error, 0, "function '%s' not found or invalid function name", Z_STRVAL_P(callable));
3086		}
3087		return 0;
3088	}
3089
3090	lmname = zend_string_tolower(mname);
3091	if (strict_class &&
3092	    fcc->calling_scope &&
3093		zend_string_equals_literal(lmname, ZEND_CONSTRUCTOR_FUNC_NAME)) {
3094		fcc->function_handler = fcc->calling_scope->constructor;
3095		if (fcc->function_handler) {
3096			retval = 1;
3097		}
3098	} else if ((zv = zend_hash_find(ftable, lmname)) != NULL) {
3099		fcc->function_handler = Z_PTR_P(zv);
3100		retval = 1;
3101		if ((fcc->function_handler->op_array.fn_flags & ZEND_ACC_CHANGED) &&
3102		    !strict_class) {
3103			scope = zend_get_executed_scope();
3104			if (scope &&
3105			    instanceof_function(fcc->function_handler->common.scope, scope)) {
3106
3107				zv = zend_hash_find(&scope->function_table, lmname);
3108				if (zv != NULL) {
3109					zend_function *priv_fbc = Z_PTR_P(zv);
3110
3111					if (priv_fbc->common.fn_flags & ZEND_ACC_PRIVATE
3112					 && priv_fbc->common.scope == scope) {
3113						fcc->function_handler = priv_fbc;
3114					}
3115				}
3116			}
3117		}
3118		if ((check_flags & IS_CALLABLE_CHECK_NO_ACCESS) == 0 &&
3119		    (fcc->calling_scope &&
3120		     ((fcc->object && fcc->calling_scope->__call) ||
3121		      (!fcc->object && fcc->calling_scope->__callstatic)))) {
3122			if (fcc->function_handler->op_array.fn_flags & ZEND_ACC_PRIVATE) {
3123				scope = zend_get_executed_scope();
3124				if (!zend_check_private(fcc->function_handler, fcc->object ? fcc->object->ce : scope, lmname)) {
3125					retval = 0;
3126					fcc->function_handler = NULL;
3127					goto get_function_via_handler;
3128				}
3129			} else if (fcc->function_handler->common.fn_flags & ZEND_ACC_PROTECTED) {
3130				scope = zend_get_executed_scope();
3131				if (!zend_check_protected(fcc->function_handler->common.scope, scope)) {
3132					retval = 0;
3133					fcc->function_handler = NULL;
3134					goto get_function_via_handler;
3135				}
3136			}
3137		}
3138	} else {
3139get_function_via_handler:
3140		if (fcc->object && fcc->calling_scope == ce_org) {
3141			if (strict_class && ce_org->__call) {
3142				fcc->function_handler = zend_get_call_trampoline_func(ce_org, mname, 0);
3143				call_via_handler = 1;
3144				retval = 1;
3145			} else if (fcc->object->handlers->get_method) {
3146				fcc->function_handler = fcc->object->handlers->get_method(&fcc->object, mname, NULL);
3147				if (fcc->function_handler) {
3148					if (strict_class &&
3149					    (!fcc->function_handler->common.scope ||
3150					     !instanceof_function(ce_org, fcc->function_handler->common.scope))) {
3151						if (fcc->function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE) {
3152							if (fcc->function_handler->type != ZEND_OVERLOADED_FUNCTION &&
3153								fcc->function_handler->common.function_name) {
3154								zend_string_release_ex(fcc->function_handler->common.function_name, 0);
3155							}
3156							zend_free_trampoline(fcc->function_handler);
3157						}
3158					} else {
3159						retval = 1;
3160						call_via_handler = (fcc->function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE) != 0;
3161					}
3162				}
3163			}
3164		} else if (fcc->calling_scope) {
3165			if (fcc->calling_scope->get_static_method) {
3166				fcc->function_handler = fcc->calling_scope->get_static_method(fcc->calling_scope, mname);
3167			} else {
3168				fcc->function_handler = zend_std_get_static_method(fcc->calling_scope, mname, NULL);
3169			}
3170			if (fcc->function_handler) {
3171				retval = 1;
3172				call_via_handler = (fcc->function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE) != 0;
3173				if (call_via_handler && !fcc->object) {
3174					zend_object *object = zend_get_this_object(EG(current_execute_data));
3175					if (object &&
3176					    instanceof_function(object->ce, fcc->calling_scope)) {
3177						fcc->object = object;
3178					}
3179				}
3180			}
3181		}
3182	}
3183
3184	if (retval) {
3185		if (fcc->calling_scope && !call_via_handler) {
3186			if (fcc->function_handler->common.fn_flags & ZEND_ACC_ABSTRACT) {
3187				if (error) {
3188					zend_spprintf(error, 0, "cannot call abstract method %s::%s()", ZSTR_VAL(fcc->calling_scope->name), ZSTR_VAL(fcc->function_handler->common.function_name));
3189					retval = 0;
3190				} else {
3191					zend_throw_error(NULL, "Cannot call abstract method %s::%s()", ZSTR_VAL(fcc->calling_scope->name), ZSTR_VAL(fcc->function_handler->common.function_name));
3192					retval = 0;
3193				}
3194			} else if (!fcc->object && !(fcc->function_handler->common.fn_flags & ZEND_ACC_STATIC)) {
3195				int severity;
3196				char *verb;
3197				if (fcc->function_handler->common.fn_flags & ZEND_ACC_ALLOW_STATIC) {
3198					severity = E_DEPRECATED;
3199					verb = "should not";
3200				} else {
3201					/* An internal function assumes $this is present and won't check that. So PHP would crash by allowing the call. */
3202					severity = E_ERROR;
3203					verb = "cannot";
3204				}
3205				if ((check_flags & IS_CALLABLE_CHECK_IS_STATIC) != 0) {
3206					retval = 0;
3207				}
3208				if (error) {
3209					zend_spprintf(error, 0, "non-static method %s::%s() %s be called statically", ZSTR_VAL(fcc->calling_scope->name), ZSTR_VAL(fcc->function_handler->common.function_name), verb);
3210					if (severity != E_DEPRECATED) {
3211						retval = 0;
3212					}
3213				} else if (retval) {
3214					if (severity == E_ERROR) {
3215						zend_throw_error(NULL, "Non-static method %s::%s() %s be called statically", ZSTR_VAL(fcc->calling_scope->name), ZSTR_VAL(fcc->function_handler->common.function_name), verb);
3216					} else {
3217						zend_error(severity, "Non-static method %s::%s() %s be called statically", ZSTR_VAL(fcc->calling_scope->name), ZSTR_VAL(fcc->function_handler->common.function_name), verb);
3218					}
3219				}
3220			}
3221			if (retval && (check_flags & IS_CALLABLE_CHECK_NO_ACCESS) == 0) {
3222				if (fcc->function_handler->op_array.fn_flags & ZEND_ACC_PRIVATE) {
3223					scope = zend_get_executed_scope();
3224					if (!zend_check_private(fcc->function_handler, fcc->object ? fcc->object->ce : scope, lmname)) {
3225						if (error) {
3226							if (*error) {
3227								efree(*error);
3228							}
3229							zend_spprintf(error, 0, "cannot access private method %s::%s()", ZSTR_VAL(fcc->calling_scope->name), ZSTR_VAL(fcc->function_handler->common.function_name));
3230						}
3231						retval = 0;
3232					}
3233				} else if ((fcc->function_handler->common.fn_flags & ZEND_ACC_PROTECTED)) {
3234					scope = zend_get_executed_scope();
3235					if (!zend_check_protected(fcc->function_handler->common.scope, scope)) {
3236						if (error) {
3237							if (*error) {
3238								efree(*error);
3239							}
3240							zend_spprintf(error, 0, "cannot access protected method %s::%s()", ZSTR_VAL(fcc->calling_scope->name), ZSTR_VAL(fcc->function_handler->common.function_name));
3241						}
3242						retval = 0;
3243					}
3244				}
3245			}
3246		}
3247	} else if (error && !(check_flags & IS_CALLABLE_CHECK_SILENT)) {
3248		if (fcc->calling_scope) {
3249			if (error) zend_spprintf(error, 0, "class '%s' does not have a method '%s'", ZSTR_VAL(fcc->calling_scope->name), ZSTR_VAL(mname));
3250		} else {
3251			if (error) zend_spprintf(error, 0, "function '%s' does not exist", ZSTR_VAL(mname));
3252		}
3253	}
3254	zend_string_release_ex(lmname, 0);
3255	zend_string_release_ex(mname, 0);
3256
3257	if (fcc->object) {
3258		fcc->called_scope = fcc->object->ce;
3259	}
3260	return retval;
3261}
3262/* }}} */
3263
3264static zend_string *zend_create_method_string(zend_string *class_name, zend_string *method_name) {
3265	zend_string *callable_name = zend_string_alloc(
3266		ZSTR_LEN(class_name) + ZSTR_LEN(method_name) + sizeof("::") - 1, 0);
3267	char *ptr = ZSTR_VAL(callable_name);
3268	memcpy(ptr, ZSTR_VAL(class_name), ZSTR_LEN(class_name));
3269	ptr += ZSTR_LEN(class_name);
3270	memcpy(ptr, "::", sizeof("::") - 1);
3271	ptr += sizeof("::") - 1;
3272	memcpy(ptr, ZSTR_VAL(method_name), ZSTR_LEN(method_name) + 1);
3273	return callable_name;
3274}
3275
3276ZEND_API zend_string *zend_get_callable_name_ex(zval *callable, zend_object *object) /* {{{ */
3277{
3278try_again:
3279	switch (Z_TYPE_P(callable)) {
3280		case IS_STRING:
3281			if (object) {
3282				return zend_create_method_string(object->ce->name, Z_STR_P(callable));
3283			}
3284			return zend_string_copy(Z_STR_P(callable));
3285
3286		case IS_ARRAY:
3287		{
3288			zval *method = NULL;
3289			zval *obj = NULL;
3290
3291			if (zend_hash_num_elements(Z_ARRVAL_P(callable)) == 2) {
3292				obj = zend_hash_index_find_deref(Z_ARRVAL_P(callable), 0);
3293				method = zend_hash_index_find_deref(Z_ARRVAL_P(callable), 1);
3294			}
3295
3296			if (obj == NULL || method == NULL || Z_TYPE_P(method) != IS_STRING) {
3297				return zend_string_init("Array", sizeof("Array")-1, 0);
3298			}
3299
3300			if (Z_TYPE_P(obj) == IS_STRING) {
3301				return zend_create_method_string(Z_STR_P(obj), Z_STR_P(method));
3302			} else if (Z_TYPE_P(obj) == IS_OBJECT) {
3303				return zend_create_method_string(Z_OBJCE_P(obj)->name, Z_STR_P(method));
3304			} else {
3305				return zend_string_init("Array", sizeof("Array")-1, 0);
3306			}
3307		}
3308		case IS_OBJECT:
3309		{
3310			zend_class_entry *calling_scope;
3311			zend_function *fptr;
3312			zend_object *object;
3313			if (Z_OBJ_HANDLER_P(callable, get_closure)
3314					&& Z_OBJ_HANDLER_P(callable, get_closure)(callable, &calling_scope, &fptr, &object) == SUCCESS) {
3315				zend_class_entry *ce = Z_OBJCE_P(callable);
3316				zend_string *callable_name = zend_string_alloc(
3317					ZSTR_LEN(ce->name) + sizeof("::__invoke") - 1, 0);
3318				memcpy(ZSTR_VAL(callable_name), ZSTR_VAL(ce->name), ZSTR_LEN(ce->name));
3319				memcpy(ZSTR_VAL(callable_name) + ZSTR_LEN(ce->name), "::__invoke", sizeof("::__invoke"));
3320				return callable_name;
3321			}
3322			return zval_get_string(callable);
3323		}
3324		case IS_REFERENCE:
3325			callable = Z_REFVAL_P(callable);
3326			goto try_again;
3327		default:
3328			return zval_get_string_func(callable);
3329	}
3330}
3331/* }}} */
3332
3333ZEND_API zend_string *zend_get_callable_name(zval *callable) /* {{{ */
3334{
3335	return zend_get_callable_name_ex(callable, NULL);
3336}
3337/* }}} */
3338
3339static zend_always_inline zend_bool zend_is_callable_impl(zval *callable, zend_object *object, uint32_t check_flags, zend_fcall_info_cache *fcc, char **error) /* {{{ */
3340{
3341	zend_bool ret;
3342	zend_fcall_info_cache fcc_local;
3343	int strict_class = 0;
3344
3345	if (fcc == NULL) {
3346		fcc = &fcc_local;
3347	}
3348	if (error) {
3349		*error = NULL;
3350	}
3351
3352	fcc->calling_scope = NULL;
3353	fcc->called_scope = NULL;
3354	fcc->function_handler = NULL;
3355	fcc->object = NULL;
3356
3357again:
3358	switch (Z_TYPE_P(callable)) {
3359		case IS_STRING:
3360			if (object) {
3361				fcc->object = object;
3362				fcc->calling_scope = object->ce;
3363			}
3364
3365			if (check_flags & IS_CALLABLE_CHECK_SYNTAX_ONLY) {
3366				fcc->called_scope = fcc->calling_scope;
3367				return 1;
3368			}
3369
3370check_func:
3371			ret = zend_is_callable_check_func(check_flags, callable, fcc, strict_class, error);
3372			if (fcc == &fcc_local &&
3373			    fcc->function_handler &&
3374				((fcc->function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE) ||
3375			     fcc->function_handler->type == ZEND_OVERLOADED_FUNCTION_TEMPORARY ||
3376			     fcc->function_handler->type == ZEND_OVERLOADED_FUNCTION)) {
3377				if (fcc->function_handler->type != ZEND_OVERLOADED_FUNCTION &&
3378					fcc->function_handler->common.function_name) {
3379					zend_string_release_ex(fcc->function_handler->common.function_name, 0);
3380				}
3381				zend_free_trampoline(fcc->function_handler);
3382			}
3383			return ret;
3384
3385		case IS_ARRAY:
3386			{
3387				zval *method = NULL;
3388				zval *obj = NULL;
3389
3390				if (zend_hash_num_elements(Z_ARRVAL_P(callable)) == 2) {
3391					obj = zend_hash_index_find(Z_ARRVAL_P(callable), 0);
3392					method = zend_hash_index_find(Z_ARRVAL_P(callable), 1);
3393				}
3394
3395				do {
3396					if (obj == NULL || method == NULL) {
3397						break;
3398					}
3399
3400					ZVAL_DEREF(method);
3401					if (Z_TYPE_P(method) != IS_STRING) {
3402						break;
3403					}
3404
3405					ZVAL_DEREF(obj);
3406					if (Z_TYPE_P(obj) == IS_STRING) {
3407						if (check_flags & IS_CALLABLE_CHECK_SYNTAX_ONLY) {
3408							return 1;
3409						}
3410
3411						if (!zend_is_callable_check_class(Z_STR_P(obj), zend_get_executed_scope(), fcc, &strict_class, error)) {
3412							return 0;
3413						}
3414
3415					} else if (Z_TYPE_P(obj) == IS_OBJECT) {
3416
3417						fcc->calling_scope = Z_OBJCE_P(obj); /* TBFixed: what if it's overloaded? */
3418
3419						fcc->object = Z_OBJ_P(obj);
3420
3421						if (check_flags & IS_CALLABLE_CHECK_SYNTAX_ONLY) {
3422							fcc->called_scope = fcc->calling_scope;
3423							return 1;
3424						}
3425					} else {
3426						break;
3427					}
3428
3429					callable = method;
3430					goto check_func;
3431
3432				} while (0);
3433				if (zend_hash_num_elements(Z_ARRVAL_P(callable)) == 2) {
3434					if (!obj || (!Z_ISREF_P(obj)?
3435								(Z_TYPE_P(obj) != IS_STRING && Z_TYPE_P(obj) != IS_OBJECT) :
3436								(Z_TYPE_P(Z_REFVAL_P(obj)) != IS_STRING && Z_TYPE_P(Z_REFVAL_P(obj)) != IS_OBJECT))) {
3437						if (error) *error = estrdup("first array member is not a valid class name or object");
3438					} else {
3439						if (error) *error = estrdup("second array member is not a valid method");
3440					}
3441				} else {
3442					if (error) *error = estrdup("array must have exactly two members");
3443				}
3444			}
3445			return 0;
3446		case IS_OBJECT:
3447			if (Z_OBJ_HANDLER_P(callable, get_closure) && Z_OBJ_HANDLER_P(callable, get_closure)(callable, &fcc->calling_scope, &fcc->function_handler, &fcc->object) == SUCCESS) {
3448				fcc->called_scope = fcc->calling_scope;
3449				return 1;
3450			}
3451			if (error) *error = estrdup("no array or string given");
3452			return 0;
3453		case IS_REFERENCE:
3454			callable = Z_REFVAL_P(callable);
3455			goto again;
3456		default:
3457			if (error) *error = estrdup("no array or string given");
3458			return 0;
3459	}
3460}
3461/* }}} */
3462
3463ZEND_API zend_bool zend_is_callable_ex(zval *callable, zend_object *object, uint32_t check_flags, zend_string **callable_name, zend_fcall_info_cache *fcc, char **error) /* {{{ */
3464{
3465	zend_bool ret = zend_is_callable_impl(callable, object, check_flags, fcc, error);
3466	if (callable_name) {
3467		*callable_name = zend_get_callable_name_ex(callable, object);
3468	}
3469	return ret;
3470}
3471
3472ZEND_API zend_bool zend_is_callable(zval *callable, uint32_t check_flags, zend_string **callable_name) /* {{{ */
3473{
3474	return zend_is_callable_ex(callable, NULL, check_flags, callable_name, NULL, NULL);
3475}
3476/* }}} */
3477
3478ZEND_API zend_bool zend_make_callable(zval *callable, zend_string **callable_name) /* {{{ */
3479{
3480	zend_fcall_info_cache fcc;
3481
3482	if (zend_is_callable_ex(callable, NULL, IS_CALLABLE_STRICT, callable_name, &fcc, NULL)) {
3483		if (Z_TYPE_P(callable) == IS_STRING && fcc.calling_scope) {
3484			zval_ptr_dtor_str(callable);
3485			array_init(callable);
3486			add_next_index_str(callable, zend_string_copy(fcc.calling_scope->name));
3487			add_next_index_str(callable, zend_string_copy(fcc.function_handler->common.function_name));
3488		}
3489		if (fcc.function_handler &&
3490			((fcc.function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE) ||
3491		     fcc.function_handler->type == ZEND_OVERLOADED_FUNCTION_TEMPORARY ||
3492		     fcc.function_handler->type == ZEND_OVERLOADED_FUNCTION)) {
3493			if (fcc.function_handler->type != ZEND_OVERLOADED_FUNCTION) {
3494				zend_string_release_ex(fcc.function_handler->common.function_name, 0);
3495			}
3496			zend_free_trampoline(fcc.function_handler);
3497		}
3498		return 1;
3499	}
3500	return 0;
3501}
3502/* }}} */
3503
3504ZEND_API int zend_fcall_info_init(zval *callable, uint32_t check_flags, zend_fcall_info *fci, zend_fcall_info_cache *fcc, zend_string **callable_name, char **error) /* {{{ */
3505{
3506	if (!zend_is_callable_ex(callable, NULL, check_flags, callable_name, fcc, error)) {
3507		return FAILURE;
3508	}
3509
3510	fci->size = sizeof(*fci);
3511	fci->object = fcc->object;
3512	ZVAL_COPY_VALUE(&fci->function_name, callable);
3513	fci->retval = NULL;
3514	fci->param_count = 0;
3515	fci->params = NULL;
3516	fci->no_separation = 1;
3517
3518	return SUCCESS;
3519}
3520/* }}} */
3521
3522ZEND_API void zend_fcall_info_args_clear(zend_fcall_info *fci, int free_mem) /* {{{ */
3523{
3524	if (fci->params) {
3525		zval *p = fci->params;
3526		zval *end = p + fci->param_count;
3527
3528		while (p != end) {
3529			i_zval_ptr_dtor(p ZEND_FILE_LINE_CC);
3530			p++;
3531		}
3532		if (free_mem) {
3533			efree(fci->params);
3534			fci->params = NULL;
3535		}
3536	}
3537	fci->param_count = 0;
3538}
3539/* }}} */
3540
3541ZEND_API void zend_fcall_info_args_save(zend_fcall_info *fci, int *param_count, zval **params) /* {{{ */
3542{
3543	*param_count = fci->param_count;
3544	*params = fci->params;
3545	fci->param_count = 0;
3546	fci->params = NULL;
3547}
3548/* }}} */
3549
3550ZEND_API void zend_fcall_info_args_restore(zend_fcall_info *fci, int param_count, zval *params) /* {{{ */
3551{
3552	zend_fcall_info_args_clear(fci, 1);
3553	fci->param_count = param_count;
3554	fci->params = params;
3555}
3556/* }}} */
3557
3558ZEND_API int zend_fcall_info_args_ex(zend_fcall_info *fci, zend_function *func, zval *args) /* {{{ */
3559{
3560	zval *arg, *params;
3561	uint32_t n = 1;
3562
3563	zend_fcall_info_args_clear(fci, !args);
3564
3565	if (!args) {
3566		return SUCCESS;
3567	}
3568
3569	if (Z_TYPE_P(args) != IS_ARRAY) {
3570		return FAILURE;
3571	}
3572
3573	fci->param_count = zend_hash_num_elements(Z_ARRVAL_P(args));
3574	fci->params = params = (zval *) erealloc(fci->params, fci->param_count * sizeof(zval));
3575
3576	ZEND_HASH_FOREACH_VAL(Z_ARRVAL_P(args), arg) {
3577		if (func && !Z_ISREF_P(arg) && ARG_SHOULD_BE_SENT_BY_REF(func, n)) {
3578			ZVAL_NEW_REF(params, arg);
3579			Z_TRY_ADDREF_P(arg);
3580		} else {
3581			ZVAL_COPY(params, arg);
3582		}
3583		params++;
3584		n++;
3585	} ZEND_HASH_FOREACH_END();
3586
3587	return SUCCESS;
3588}
3589/* }}} */
3590
3591ZEND_API int zend_fcall_info_args(zend_fcall_info *fci, zval *args) /* {{{ */
3592{
3593	return zend_fcall_info_args_ex(fci, NULL, args);
3594}
3595/* }}} */
3596
3597ZEND_API int zend_fcall_info_argp(zend_fcall_info *fci, int argc, zval *argv) /* {{{ */
3598{
3599	int i;
3600
3601	if (argc < 0) {
3602		return FAILURE;
3603	}
3604
3605	zend_fcall_info_args_clear(fci, !argc);
3606
3607	if (argc) {
3608		fci->param_count = argc;
3609		fci->params = (zval *) erealloc(fci->params, fci->param_count * sizeof(zval));
3610
3611		for (i = 0; i < argc; ++i) {
3612			ZVAL_COPY(&fci->params[i], &argv[i]);
3613		}
3614	}
3615
3616	return SUCCESS;
3617}
3618/* }}} */
3619
3620ZEND_API int zend_fcall_info_argv(zend_fcall_info *fci, int argc, va_list *argv) /* {{{ */
3621{
3622	int i;
3623	zval *arg;
3624
3625	if (argc < 0) {
3626		return FAILURE;
3627	}
3628
3629	zend_fcall_info_args_clear(fci, !argc);
3630
3631	if (argc) {
3632		fci->param_count = argc;
3633		fci->params = (zval *) erealloc(fci->params, fci->param_count * sizeof(zval));
3634
3635		for (i = 0; i < argc; ++i) {
3636			arg = va_arg(*argv, zval *);
3637			ZVAL_COPY(&fci->params[i], arg);
3638		}
3639	}
3640
3641	return SUCCESS;
3642}
3643/* }}} */
3644
3645ZEND_API int zend_fcall_info_argn(zend_fcall_info *fci, int argc, ...) /* {{{ */
3646{
3647	int ret;
3648	va_list argv;
3649
3650	va_start(argv, argc);
3651	ret = zend_fcall_info_argv(fci, argc, &argv);
3652	va_end(argv);
3653
3654	return ret;
3655}
3656/* }}} */
3657
3658ZEND_API int zend_fcall_info_call(zend_fcall_info *fci, zend_fcall_info_cache *fcc, zval *retval_ptr, zval *args) /* {{{ */
3659{
3660	zval retval, *org_params = NULL;
3661	int result, org_count = 0;
3662
3663	fci->retval = retval_ptr ? retval_ptr : &retval;
3664	if (args) {
3665		zend_fcall_info_args_save(fci, &org_count, &org_params);
3666		zend_fcall_info_args(fci, args);
3667	}
3668	result = zend_call_function(fci, fcc);
3669
3670	if (!retval_ptr && Z_TYPE(retval) != IS_UNDEF) {
3671		zval_ptr_dtor(&retval);
3672	}
3673	if (args) {
3674		zend_fcall_info_args_restore(fci, org_count, org_params);
3675	}
3676	return result;
3677}
3678/* }}} */
3679
3680ZEND_API const char *zend_get_module_version(const char *module_name) /* {{{ */
3681{
3682	zend_string *lname;
3683	size_t name_len = strlen(module_name);
3684	zend_module_entry *module;
3685
3686	lname = zend_string_alloc(name_len, 0);
3687	zend_str_tolower_copy(ZSTR_VAL(lname), module_name, name_len);
3688	module = zend_hash_find_ptr(&module_registry, lname);
3689	zend_string_efree(lname);
3690	return module ? module->version : NULL;
3691}
3692/* }}} */
3693
3694static inline zend_string *zval_make_interned_string(zval *zv) /* {{{ */
3695{
3696	ZEND_ASSERT(Z_TYPE_P(zv) == IS_STRING);
3697	Z_STR_P(zv) = zend_new_interned_string(Z_STR_P(zv));
3698	if (ZSTR_IS_INTERNED(Z_STR_P(zv))) {
3699		Z_TYPE_FLAGS_P(zv) = 0;
3700	}
3701	return Z_STR_P(zv);
3702}
3703
3704static zend_always_inline zend_bool is_persistent_class(zend_class_entry *ce) {
3705	return (ce->type & ZEND_INTERNAL_CLASS)
3706		&& ce->info.internal.module->type == MODULE_PERSISTENT;
3707}
3708
3709ZEND_API int zend_declare_property_ex(zend_class_entry *ce, zend_string *name, zval *property, int access_type, zend_string *doc_comment) /* {{{ */
3710{
3711	zend_property_info *property_info, *property_info_ptr;
3712
3713	if (ce->type == ZEND_INTERNAL_CLASS) {
3714		property_info = pemalloc(sizeof(zend_property_info), 1);
3715	} else {
3716		property_info = zend_arena_alloc(&CG(arena), sizeof(zend_property_info));
3717		if (Z_TYPE_P(property) == IS_CONSTANT_AST) {
3718			ce->ce_flags &= ~ZEND_ACC_CONSTANTS_UPDATED;
3719		}
3720	}
3721
3722	if (Z_TYPE_P(property) == IS_STRING && !ZSTR_IS_INTERNED(Z_STR_P(property))) {
3723		zval_make_interned_string(property);
3724	}
3725
3726	if (!(access_type & ZEND_ACC_PPP_MASK)) {
3727		access_type |= ZEND_ACC_PUBLIC;
3728	}
3729	if (access_type & ZEND_ACC_STATIC) {
3730		if ((property_info_ptr = zend_hash_find_ptr(&ce->properties_info, name)) != NULL &&
3731		    (property_info_ptr->flags & ZEND_ACC_STATIC) != 0) {
3732			property_info->offset = property_info_ptr->offset;
3733			zval_ptr_dtor(&ce->default_static_members_table[property_info->offset]);
3734			zend_hash_del(&ce->properties_info, name);
3735		} else {
3736			property_info->offset = ce->default_static_members_count++;
3737			ce->default_static_members_table = perealloc(ce->default_static_members_table, sizeof(zval) * ce->default_static_members_count, ce->type == ZEND_INTERNAL_CLASS);
3738		}
3739		ZVAL_COPY_VALUE(&ce->default_static_members_table[property_info->offset], property);
3740		if (ce->type == ZEND_USER_CLASS) {
3741			ce->static_members_table = ce->default_static_members_table;
3742		}
3743	} else {
3744		if ((property_info_ptr = zend_hash_find_ptr(&ce->properties_info, name)) != NULL &&
3745		    (property_info_ptr->flags & ZEND_ACC_STATIC) == 0) {
3746			property_info->offset = property_info_ptr->offset;
3747			zval_ptr_dtor(&ce->default_properties_table[OBJ_PROP_TO_NUM(property_info->offset)]);
3748			zend_hash_del(&ce->properties_info, name);
3749		} else {
3750			property_info->offset = OBJ_PROP_TO_OFFSET(ce->default_properties_count);
3751			ce->default_properties_count++;
3752			ce->default_properties_table = perealloc(ce->default_properties_table, sizeof(zval) * ce->default_properties_count, ce->type == ZEND_INTERNAL_CLASS);
3753		}
3754		ZVAL_COPY_VALUE(&ce->default_properties_table[OBJ_PROP_TO_NUM(property_info->offset)], property);
3755	}
3756	if (ce->type & ZEND_INTERNAL_CLASS) {
3757		switch(Z_TYPE_P(property)) {
3758			case IS_ARRAY:
3759			case IS_OBJECT:
3760			case IS_RESOURCE:
3761				zend_error_noreturn(E_CORE_ERROR, "Internal zval's can't be arrays, objects or resources");
3762				break;
3763			default:
3764				break;
3765		}
3766
3767		/* Must be interned to avoid ZTS data races */
3768		name = zend_new_interned_string(zend_string_copy(name));
3769	}
3770
3771	if (access_type & ZEND_ACC_PUBLIC) {
3772		property_info->name = zend_string_copy(name);
3773	} else if (access_type & ZEND_ACC_PRIVATE) {
3774		property_info->name = zend_mangle_property_name(ZSTR_VAL(ce->name), ZSTR_LEN(ce->name), ZSTR_VAL(name), ZSTR_LEN(name), is_persistent_class(ce));
3775	} else {
3776		ZEND_ASSERT(access_type & ZEND_ACC_PROTECTED);
3777		property_info->name = zend_mangle_property_name("*", 1, ZSTR_VAL(name), ZSTR_LEN(name), is_persistent_class(ce));
3778	}
3779
3780	property_info->name = zend_new_interned_string(property_info->name);
3781	property_info->flags = access_type;
3782	property_info->doc_comment = doc_comment;
3783	property_info->ce = ce;
3784	zend_hash_update_ptr(&ce->properties_info, name, property_info);
3785
3786	return SUCCESS;
3787}
3788/* }}} */
3789
3790ZEND_API int zend_declare_property(zend_class_entry *ce, const char *name, size_t name_length, zval *property, int access_type) /* {{{ */
3791{
3792	zend_string *key = zend_string_init(name, name_length, is_persistent_class(ce));
3793	int ret = zend_declare_property_ex(ce, key, property, access_type, NULL);
3794	zend_string_release(key);
3795	return ret;
3796}
3797/* }}} */
3798
3799ZEND_API int zend_declare_property_null(zend_class_entry *ce, const char *name, size_t name_length, int access_type) /* {{{ */
3800{
3801	zval property;
3802
3803	ZVAL_NULL(&property);
3804	return zend_declare_property(ce, name, name_length, &property, access_type);
3805}
3806/* }}} */
3807
3808ZEND_API int zend_declare_property_bool(zend_class_entry *ce, const char *name, size_t name_length, zend_long value, int access_type) /* {{{ */
3809{
3810	zval property;
3811
3812	ZVAL_BOOL(&property, value);
3813	return zend_declare_property(ce, name, name_length, &property, access_type);
3814}
3815/* }}} */
3816
3817ZEND_API int zend_declare_property_long(zend_class_entry *ce, const char *name, size_t name_length, zend_long value, int access_type) /* {{{ */
3818{
3819	zval property;
3820
3821	ZVAL_LONG(&property, value);
3822	return zend_declare_property(ce, name, name_length, &property, access_type);
3823}
3824/* }}} */
3825
3826ZEND_API int zend_declare_property_double(zend_class_entry *ce, const char *name, size_t name_length, double value, int access_type) /* {{{ */
3827{
3828	zval property;
3829
3830	ZVAL_DOUBLE(&property, value);
3831	return zend_declare_property(ce, name, name_length, &property, access_type);
3832}
3833/* }}} */
3834
3835ZEND_API int zend_declare_property_string(zend_class_entry *ce, const char *name, size_t name_length, const char *value, int access_type) /* {{{ */
3836{
3837	zval property;
3838
3839	ZVAL_NEW_STR(&property, zend_string_init(value, strlen(value), ce->type & ZEND_INTERNAL_CLASS));
3840	return zend_declare_property(ce, name, name_length, &property, access_type);
3841}
3842/* }}} */
3843
3844ZEND_API int zend_declare_property_stringl(zend_class_entry *ce, const char *name, size_t name_length, const char *value, size_t value_len, int access_type) /* {{{ */
3845{
3846	zval property;
3847
3848	ZVAL_NEW_STR(&property, zend_string_init(value, value_len, ce->type & ZEND_INTERNAL_CLASS));
3849	return zend_declare_property(ce, name, name_length, &property, access_type);
3850}
3851/* }}} */
3852
3853ZEND_API int zend_declare_class_constant_ex(zend_class_entry *ce, zend_string *name, zval *value, int access_type, zend_string *doc_comment) /* {{{ */
3854{
3855	zend_class_constant *c;
3856
3857	if (ce->ce_flags & ZEND_ACC_INTERFACE) {
3858		if (access_type != ZEND_ACC_PUBLIC) {
3859			zend_error_noreturn(E_COMPILE_ERROR, "Access type for interface constant %s::%s must be public", ZSTR_VAL(ce->name), ZSTR_VAL(name));
3860		}
3861	}
3862
3863	if (zend_string_equals_literal_ci(name, "class")) {
3864		zend_error_noreturn(ce->type == ZEND_INTERNAL_CLASS ? E_CORE_ERROR : E_COMPILE_ERROR,
3865				"A class constant must not be called 'class'; it is reserved for class name fetching");
3866	}
3867
3868	if (Z_TYPE_P(value) == IS_STRING && !ZSTR_IS_INTERNED(Z_STR_P(value))) {
3869		zval_make_interned_string(value);
3870	}
3871
3872	if (ce->type == ZEND_INTERNAL_CLASS) {
3873		c = pemalloc(sizeof(zend_class_constant), 1);
3874	} else {
3875		c = zend_arena_alloc(&CG(arena), sizeof(zend_class_constant));
3876	}
3877	ZVAL_COPY_VALUE(&c->value, value);
3878	Z_ACCESS_FLAGS(c->value) = access_type;
3879	c->doc_comment = doc_comment;
3880	c->ce = ce;
3881	if (Z_TYPE_P(value) == IS_CONSTANT_AST) {
3882		ce->ce_flags &= ~ZEND_ACC_CONSTANTS_UPDATED;
3883	}
3884
3885	if (!zend_hash_add_ptr(&ce->constants_table, name, c)) {
3886		zend_error_noreturn(ce->type == ZEND_INTERNAL_CLASS ? E_CORE_ERROR : E_COMPILE_ERROR,
3887			"Cannot redefine class constant %s::%s", ZSTR_VAL(ce->name), ZSTR_VAL(name));
3888	}
3889
3890	return SUCCESS;
3891}
3892/* }}} */
3893
3894ZEND_API int zend_declare_class_constant(zend_class_entry *ce, const char *name, size_t name_length, zval *value) /* {{{ */
3895{
3896	int ret;
3897
3898	zend_string *key;
3899
3900	if (ce->type == ZEND_INTERNAL_CLASS) {
3901		key = zend_string_init_interned(name, name_length, 1);
3902	} else {
3903		key = zend_string_init(name, name_length, 0);
3904	}
3905	ret = zend_declare_class_constant_ex(ce, key, value, ZEND_ACC_PUBLIC, NULL);
3906	zend_string_release(key);
3907	return ret;
3908}
3909/* }}} */
3910
3911ZEND_API int zend_declare_class_constant_null(zend_class_entry *ce, const char *name, size_t name_length) /* {{{ */
3912{
3913	zval constant;
3914
3915	ZVAL_NULL(&constant);
3916	return zend_declare_class_constant(ce, name, name_length, &constant);
3917}
3918/* }}} */
3919
3920ZEND_API int zend_declare_class_constant_long(zend_class_entry *ce, const char *name, size_t name_length, zend_long value) /* {{{ */
3921{
3922	zval constant;
3923
3924	ZVAL_LONG(&constant, value);
3925	return zend_declare_class_constant(ce, name, name_length, &constant);
3926}
3927/* }}} */
3928
3929ZEND_API int zend_declare_class_constant_bool(zend_class_entry *ce, const char *name, size_t name_length, zend_bool value) /* {{{ */
3930{
3931	zval constant;
3932
3933	ZVAL_BOOL(&constant, value);
3934	return zend_declare_class_constant(ce, name, name_length, &constant);
3935}
3936/* }}} */
3937
3938ZEND_API int zend_declare_class_constant_double(zend_class_entry *ce, const char *name, size_t name_length, double value) /* {{{ */
3939{
3940	zval constant;
3941
3942	ZVAL_DOUBLE(&constant, value);
3943	return zend_declare_class_constant(ce, name, name_length, &constant);
3944}
3945/* }}} */
3946
3947ZEND_API int zend_declare_class_constant_stringl(zend_class_entry *ce, const char *name, size_t name_length, const char *value, size_t value_length) /* {{{ */
3948{
3949	zval constant;
3950
3951	ZVAL_NEW_STR(&constant, zend_string_init(value, value_length, ce->type & ZEND_INTERNAL_CLASS));
3952	return zend_declare_class_constant(ce, name, name_length, &constant);
3953}
3954/* }}} */
3955
3956ZEND_API int zend_declare_class_constant_string(zend_class_entry *ce, const char *name, size_t name_length, const char *value) /* {{{ */
3957{
3958	return zend_declare_class_constant_stringl(ce, name, name_length, value, strlen(value));
3959}
3960/* }}} */
3961
3962ZEND_API void zend_update_property_ex(zend_class_entry *scope, zval *object, zend_string *name, zval *value) /* {{{ */
3963{
3964	zval property;
3965	zend_class_entry *old_scope = EG(fake_scope);
3966
3967	EG(fake_scope) = scope;
3968
3969	if (!Z_OBJ_HT_P(object)->write_property) {
3970		zend_error_noreturn(E_CORE_ERROR, "Property %s of class %s cannot be updated", ZSTR_VAL(name), ZSTR_VAL(Z_OBJCE_P(object)->name));
3971	}
3972	ZVAL_STR(&property, name);
3973	Z_OBJ_HT_P(object)->write_property(object, &property, value, NULL);
3974
3975	EG(fake_scope) = old_scope;
3976}
3977/* }}} */
3978
3979ZEND_API void zend_update_property(zend_class_entry *scope, zval *object, const char *name, size_t name_length, zval *value) /* {{{ */
3980{
3981	zval property;
3982	zend_class_entry *old_scope = EG(fake_scope);
3983
3984	EG(fake_scope) = scope;
3985
3986	if (!Z_OBJ_HT_P(object)->write_property) {
3987		zend_error_noreturn(E_CORE_ERROR, "Property %s of class %s cannot be updated", name, ZSTR_VAL(Z_OBJCE_P(object)->name));
3988	}
3989	ZVAL_STRINGL(&property, name, name_length);
3990	Z_OBJ_HT_P(object)->write_property(object, &property, value, NULL);
3991	zval_ptr_dtor(&property);
3992
3993	EG(fake_scope) = old_scope;
3994}
3995/* }}} */
3996
3997ZEND_API void zend_update_property_null(zend_class_entry *scope, zval *object, const char *name, size_t name_length) /* {{{ */
3998{
3999	zval tmp;
4000
4001	ZVAL_NULL(&tmp);
4002	zend_update_property(scope, object, name, name_length, &tmp);
4003}
4004/* }}} */
4005
4006ZEND_API void zend_unset_property(zend_class_entry *scope, zval *object, const char *name, size_t name_length) /* {{{ */
4007{
4008	zval property;
4009	zend_class_entry *old_scope = EG(fake_scope);
4010
4011	EG(fake_scope) = scope;
4012
4013	if (!Z_OBJ_HT_P(object)->unset_property) {
4014		zend_error_noreturn(E_CORE_ERROR, "Property %s of class %s cannot be unset", name, ZSTR_VAL(Z_OBJCE_P(object)->name));
4015	}
4016	ZVAL_STRINGL(&property, name, name_length);
4017	Z_OBJ_HT_P(object)->unset_property(object, &property, 0);
4018	zval_ptr_dtor(&property);
4019
4020	EG(fake_scope) = old_scope;
4021}
4022/* }}} */
4023
4024ZEND_API void zend_update_property_bool(zend_class_entry *scope, zval *object, const char *name, size_t name_length, zend_long value) /* {{{ */
4025{
4026	zval tmp;
4027
4028	ZVAL_BOOL(&tmp, value);
4029	zend_update_property(scope, object, name, name_length, &tmp);
4030}
4031/* }}} */
4032
4033ZEND_API void zend_update_property_long(zend_class_entry *scope, zval *object, const char *name, size_t name_length, zend_long value) /* {{{ */
4034{
4035	zval tmp;
4036
4037	ZVAL_LONG(&tmp, value);
4038	zend_update_property(scope, object, name, name_length, &tmp);
4039}
4040/* }}} */
4041
4042ZEND_API void zend_update_property_double(zend_class_entry *scope, zval *object, const char *name, size_t name_length, double value) /* {{{ */
4043{
4044	zval tmp;
4045
4046	ZVAL_DOUBLE(&tmp, value);
4047	zend_update_property(scope, object, name, name_length, &tmp);
4048}
4049/* }}} */
4050
4051ZEND_API void zend_update_property_str(zend_class_entry *scope, zval *object, const char *name, size_t name_length, zend_string *value) /* {{{ */
4052{
4053	zval tmp;
4054
4055	ZVAL_STR(&tmp, value);
4056	zend_update_property(scope, object, name, name_length, &tmp);
4057}
4058/* }}} */
4059
4060ZEND_API void zend_update_property_string(zend_class_entry *scope, zval *object, const char *name, size_t name_length, const char *value) /* {{{ */
4061{
4062	zval tmp;
4063
4064	ZVAL_STRING(&tmp, value);
4065	Z_SET_REFCOUNT(tmp, 0);
4066	zend_update_property(scope, object, name, name_length, &tmp);
4067}
4068/* }}} */
4069
4070ZEND_API void zend_update_property_stringl(zend_class_entry *scope, zval *object, const char *name, size_t name_length, const char *value, size_t value_len) /* {{{ */
4071{
4072	zval tmp;
4073
4074	ZVAL_STRINGL(&tmp, value, value_len);
4075	Z_SET_REFCOUNT(tmp, 0);
4076	zend_update_property(scope, object, name, name_length, &tmp);
4077}
4078/* }}} */
4079
4080ZEND_API int zend_update_static_property_ex(zend_class_entry *scope, zend_string *name, zval *value) /* {{{ */
4081{
4082	zval *property;
4083	zend_class_entry *old_scope = EG(fake_scope);
4084
4085	if (UNEXPECTED(!(scope->ce_flags & ZEND_ACC_CONSTANTS_UPDATED))) {
4086		if (UNEXPECTED(zend_update_class_constants(scope)) != SUCCESS) {
4087			return FAILURE;
4088		}
4089	}
4090
4091	EG(fake_scope) = scope;
4092	property = zend_std_get_static_property(scope, name, 0);
4093	EG(fake_scope) = old_scope;
4094
4095	if (!property) {
4096		return FAILURE;
4097	}
4098
4099	if (property != value) {
4100		zval garbage;
4101		ZVAL_DEREF(property);
4102		ZVAL_DEREF(value);
4103		ZVAL_COPY_VALUE(&garbage, property);
4104		ZVAL_COPY(property, value);
4105		zval_ptr_dtor(&garbage);
4106	}
4107	return SUCCESS;
4108}
4109/* }}} */
4110
4111ZEND_API int zend_update_static_property(zend_class_entry *scope, const char *name, size_t name_length, zval *value) /* {{{ */
4112{
4113	zend_string *key = zend_string_init(name, name_length, 0);
4114	int retval = zend_update_static_property_ex(scope, key, value);
4115	zend_string_efree(key);
4116	return retval;
4117}
4118/* }}} */
4119
4120ZEND_API int zend_update_static_property_null(zend_class_entry *scope, const char *name, size_t name_length) /* {{{ */
4121{
4122	zval tmp;
4123
4124	ZVAL_NULL(&tmp);
4125	return zend_update_static_property(scope, name, name_length, &tmp);
4126}
4127/* }}} */
4128
4129ZEND_API int zend_update_static_property_bool(zend_class_entry *scope, const char *name, size_t name_length, zend_long value) /* {{{ */
4130{
4131	zval tmp;
4132
4133	ZVAL_BOOL(&tmp, value);
4134	return zend_update_static_property(scope, name, name_length, &tmp);
4135}
4136/* }}} */
4137
4138ZEND_API int zend_update_static_property_long(zend_class_entry *scope, const char *name, size_t name_length, zend_long value) /* {{{ */
4139{
4140	zval tmp;
4141
4142	ZVAL_LONG(&tmp, value);
4143	return zend_update_static_property(scope, name, name_length, &tmp);
4144}
4145/* }}} */
4146
4147ZEND_API int zend_update_static_property_double(zend_class_entry *scope, const char *name, size_t name_length, double value) /* {{{ */
4148{
4149	zval tmp;
4150
4151	ZVAL_DOUBLE(&tmp, value);
4152	return zend_update_static_property(scope, name, name_length, &tmp);
4153}
4154/* }}} */
4155
4156ZEND_API int zend_update_static_property_string(zend_class_entry *scope, const char *name, size_t name_length, const char *value) /* {{{ */
4157{
4158	zval tmp;
4159
4160	ZVAL_STRING(&tmp, value);
4161	Z_SET_REFCOUNT(tmp, 0);
4162	return zend_update_static_property(scope, name, name_length, &tmp);
4163}
4164/* }}} */
4165
4166ZEND_API int zend_update_static_property_stringl(zend_class_entry *scope, const char *name, size_t name_length, const char *value, size_t value_len) /* {{{ */
4167{
4168	zval tmp;
4169
4170	ZVAL_STRINGL(&tmp, value, value_len);
4171	Z_SET_REFCOUNT(tmp, 0);
4172	return zend_update_static_property(scope, name, name_length, &tmp);
4173}
4174/* }}} */
4175
4176ZEND_API zval *zend_read_property_ex(zend_class_entry *scope, zval *object, zend_string *name, zend_bool silent, zval *rv) /* {{{ */
4177{
4178	zval property, *value;
4179	zend_class_entry *old_scope = EG(fake_scope);
4180
4181	EG(fake_scope) = scope;
4182
4183	if (!Z_OBJ_HT_P(object)->read_property) {
4184		zend_error_noreturn(E_CORE_ERROR, "Property %s of class %s cannot be read", ZSTR_VAL(name), ZSTR_VAL(Z_OBJCE_P(object)->name));
4185	}
4186
4187	ZVAL_STR(&property, name);
4188	value = Z_OBJ_HT_P(object)->read_property(object, &property, silent?BP_VAR_IS:BP_VAR_R, NULL, rv);
4189
4190	EG(fake_scope) = old_scope;
4191	return value;
4192}
4193/* }}} */
4194
4195ZEND_API zval *zend_read_property(zend_class_entry *scope, zval *object, const char *name, size_t name_length, zend_bool silent, zval *rv) /* {{{ */
4196{
4197	zval *value;
4198	zend_string *str;
4199
4200	str = zend_string_init(name, name_length, 0);
4201	value = zend_read_property_ex(scope, object, str, silent, rv);
4202	zend_string_release_ex(str, 0);
4203	return value;
4204}
4205/* }}} */
4206
4207ZEND_API zval *zend_read_static_property_ex(zend_class_entry *scope, zend_string *name, zend_bool silent) /* {{{ */
4208{
4209	zval *property;
4210	zend_class_entry *old_scope = EG(fake_scope);
4211
4212	EG(fake_scope) = scope;
4213	property = zend_std_get_static_property(scope, name, silent);
4214	EG(fake_scope) = old_scope;
4215
4216	return property;
4217}
4218/* }}} */
4219
4220ZEND_API zval *zend_read_static_property(zend_class_entry *scope, const char *name, size_t name_length, zend_bool silent) /* {{{ */
4221{
4222	zend_string *key = zend_string_init(name, name_length, 0);
4223	zval *property = zend_read_static_property_ex(scope, key, silent);
4224	zend_string_efree(key);
4225	return property;
4226}
4227/* }}} */
4228
4229ZEND_API void zend_save_error_handling(zend_error_handling *current) /* {{{ */
4230{
4231	current->handling = EG(error_handling);
4232	current->exception = EG(exception_class);
4233	ZVAL_UNDEF(&current->user_handler);
4234}
4235/* }}} */
4236
4237ZEND_API void zend_replace_error_handling(zend_error_handling_t error_handling, zend_class_entry *exception_class, zend_error_handling *current) /* {{{ */
4238{
4239	if (current) {
4240		zend_save_error_handling(current);
4241	}
4242	ZEND_ASSERT(error_handling == EH_THROW || exception_class == NULL);
4243	EG(error_handling) = error_handling;
4244	EG(exception_class) = exception_class;
4245}
4246/* }}} */
4247
4248ZEND_API void zend_restore_error_handling(zend_error_handling *saved) /* {{{ */
4249{
4250	EG(error_handling) = saved->handling;
4251	EG(exception_class) = saved->exception;
4252}
4253/* }}} */
4254
4255ZEND_API zend_string* zend_find_alias_name(zend_class_entry *ce, zend_string *name) /* {{{ */
4256{
4257	zend_trait_alias *alias, **alias_ptr;
4258
4259	if ((alias_ptr = ce->trait_aliases)) {
4260		alias = *alias_ptr;
4261		while (alias) {
4262			if (alias->alias && zend_string_equals_ci(alias->alias, name)) {
4263				return alias->alias;
4264			}
4265			alias_ptr++;
4266			alias = *alias_ptr;
4267		}
4268	}
4269
4270	return name;
4271}
4272/* }}} */
4273
4274ZEND_API zend_string *zend_resolve_method_name(zend_class_entry *ce, zend_function *f) /* {{{ */
4275{
4276	zend_function *func;
4277	HashTable *function_table;
4278	zend_string *name;
4279
4280	if (f->common.type != ZEND_USER_FUNCTION ||
4281	    (f->op_array.refcount && *(f->op_array.refcount) < 2) ||
4282	    !f->common.scope ||
4283	    !f->common.scope->trait_aliases) {
4284		return f->common.function_name;
4285	}
4286
4287	function_table = &ce->function_table;
4288	ZEND_HASH_FOREACH_STR_KEY_PTR(function_table, name, func) {
4289		if (func == f) {
4290			if (!name) {
4291				return f->common.function_name;
4292			}
4293			if (ZSTR_LEN(name) == ZSTR_LEN(f->common.function_name) &&
4294			    !strncasecmp(ZSTR_VAL(name), ZSTR_VAL(f->common.function_name), ZSTR_LEN(f->common.function_name))) {
4295				return f->common.function_name;
4296			}
4297			return zend_find_alias_name(f->common.scope, name);
4298		}
4299	} ZEND_HASH_FOREACH_END();
4300	return f->common.function_name;
4301}
4302/* }}} */
4303
4304ZEND_API const char *zend_get_object_type(const zend_class_entry *ce) /* {{{ */
4305{
4306	if(ce->ce_flags & ZEND_ACC_TRAIT) {
4307		return "trait";
4308	} else if (ce->ce_flags & ZEND_ACC_INTERFACE) {
4309		return "interface";
4310	} else {
4311		return "class";
4312	}
4313}
4314/* }}} */
4315
4316ZEND_API zend_bool zend_is_iterable(zval *iterable) /* {{{ */
4317{
4318	switch (Z_TYPE_P(iterable)) {
4319		case IS_ARRAY:
4320			return 1;
4321		case IS_OBJECT:
4322			return instanceof_function(Z_OBJCE_P(iterable), zend_ce_traversable);
4323		default:
4324			return 0;
4325	}
4326}
4327/* }}} */
4328
4329ZEND_API zend_bool zend_is_countable(zval *countable) /* {{{ */
4330{
4331	switch (Z_TYPE_P(countable)) {
4332		case IS_ARRAY:
4333			return 1;
4334		case IS_OBJECT:
4335			if (Z_OBJ_HT_P(countable)->count_elements) {
4336				return 1;
4337			}
4338
4339			return instanceof_function(Z_OBJCE_P(countable), zend_ce_countable);
4340		default:
4341			return 0;
4342	}
4343}
4344/* }}} */
4345
4346/*
4347 * Local variables:
4348 * tab-width: 4
4349 * c-basic-offset: 4
4350 * indent-tabs-mode: t
4351 * End:
4352 * vim600: sw=4 ts=4 fdm=marker
4353 * vim<600: sw=4 ts=4
4354 */
4355