xref: /PHP-5.6/Zend/zend_execute_API.c (revision 6558559b)
1 /*
2    +----------------------------------------------------------------------+
3    | Zend Engine                                                          |
4    +----------------------------------------------------------------------+
5    | Copyright (c) 1998-2016 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@zend.com>                                |
16    |          Zeev Suraski <zeev@zend.com>                                |
17    +----------------------------------------------------------------------+
18 */
19 
20 /* $Id$ */
21 
22 #include <stdio.h>
23 #include <signal.h>
24 
25 #include "zend.h"
26 #include "zend_compile.h"
27 #include "zend_execute.h"
28 #include "zend_API.h"
29 #include "zend_ptr_stack.h"
30 #include "zend_constants.h"
31 #include "zend_extensions.h"
32 #include "zend_exceptions.h"
33 #include "zend_closures.h"
34 #include "zend_generators.h"
35 #include "zend_vm.h"
36 #include "zend_float.h"
37 #ifdef HAVE_SYS_TIME_H
38 #include <sys/time.h>
39 #endif
40 
41 ZEND_API void (*zend_execute_ex)(zend_execute_data *execute_data TSRMLS_DC);
42 ZEND_API void (*zend_execute_internal)(zend_execute_data *execute_data_ptr, zend_fcall_info *fci, int return_value_used TSRMLS_DC);
43 
44 /* true globals */
45 ZEND_API const zend_fcall_info empty_fcall_info = { 0, NULL, NULL, NULL, NULL, 0, NULL, NULL, 0 };
46 ZEND_API const zend_fcall_info_cache empty_fcall_info_cache = { 0, NULL, NULL, NULL, NULL };
47 
48 #ifdef ZEND_WIN32
49 #ifdef ZTS
50 __declspec(thread)
51 #endif
52 HANDLE tq_timer = NULL;
53 #endif
54 
55 #if 0&&ZEND_DEBUG
56 static void (*original_sigsegv_handler)(int);
57 static void zend_handle_sigsegv(int dummy) /* {{{ */
58 {
59 	fflush(stdout);
60 	fflush(stderr);
61 	if (original_sigsegv_handler == zend_handle_sigsegv) {
62 		signal(SIGSEGV, original_sigsegv_handler);
63 	} else {
64 		signal(SIGSEGV, SIG_DFL);
65 	}
66 	{
67 		TSRMLS_FETCH();
68 
69 		fprintf(stderr, "SIGSEGV caught on opcode %d on opline %d of %s() at %s:%d\n\n",
70 				active_opline->opcode,
71 				active_opline-EG(active_op_array)->opcodes,
72 				get_active_function_name(TSRMLS_C),
73 				zend_get_executed_filename(TSRMLS_C),
74 				zend_get_executed_lineno(TSRMLS_C));
75 /* See http://support.microsoft.com/kb/190351 */
76 #ifdef PHP_WIN32
77 		fflush(stderr);
78 #endif
79 	}
80 	if (original_sigsegv_handler!=zend_handle_sigsegv) {
81 		original_sigsegv_handler(dummy);
82 	}
83 }
84 /* }}} */
85 #endif
86 
zend_extension_activator(zend_extension * extension TSRMLS_DC)87 static void zend_extension_activator(zend_extension *extension TSRMLS_DC) /* {{{ */
88 {
89 	if (extension->activate) {
90 		extension->activate();
91 	}
92 }
93 /* }}} */
94 
zend_extension_deactivator(zend_extension * extension TSRMLS_DC)95 static void zend_extension_deactivator(zend_extension *extension TSRMLS_DC) /* {{{ */
96 {
97 	if (extension->deactivate) {
98 		extension->deactivate();
99 	}
100 }
101 /* }}} */
102 
clean_non_persistent_function(zend_function * function TSRMLS_DC)103 static int clean_non_persistent_function(zend_function *function TSRMLS_DC) /* {{{ */
104 {
105 	return (function->type == ZEND_INTERNAL_FUNCTION) ? ZEND_HASH_APPLY_STOP : ZEND_HASH_APPLY_REMOVE;
106 }
107 /* }}} */
108 
clean_non_persistent_function_full(zend_function * function TSRMLS_DC)109 ZEND_API int clean_non_persistent_function_full(zend_function *function TSRMLS_DC) /* {{{ */
110 {
111 	return (function->type == ZEND_INTERNAL_FUNCTION) ? ZEND_HASH_APPLY_KEEP : ZEND_HASH_APPLY_REMOVE;
112 }
113 /* }}} */
114 
clean_non_persistent_class(zend_class_entry ** ce TSRMLS_DC)115 static int clean_non_persistent_class(zend_class_entry **ce TSRMLS_DC) /* {{{ */
116 {
117 	return ((*ce)->type == ZEND_INTERNAL_CLASS) ? ZEND_HASH_APPLY_STOP : ZEND_HASH_APPLY_REMOVE;
118 }
119 /* }}} */
120 
clean_non_persistent_class_full(zend_class_entry ** ce TSRMLS_DC)121 ZEND_API int clean_non_persistent_class_full(zend_class_entry **ce TSRMLS_DC) /* {{{ */
122 {
123 	return ((*ce)->type == ZEND_INTERNAL_CLASS) ? ZEND_HASH_APPLY_KEEP : ZEND_HASH_APPLY_REMOVE;
124 }
125 /* }}} */
126 
init_executor(TSRMLS_D)127 void init_executor(TSRMLS_D) /* {{{ */
128 {
129 	zend_init_fpu(TSRMLS_C);
130 
131 	INIT_ZVAL(EG(uninitialized_zval));
132 	/* trick to make uninitialized_zval never be modified, passed by ref, etc. */
133 	Z_ADDREF(EG(uninitialized_zval));
134 	INIT_ZVAL(EG(error_zval));
135 	EG(uninitialized_zval_ptr)=&EG(uninitialized_zval);
136 	EG(error_zval_ptr)=&EG(error_zval);
137 /* destroys stack frame, therefore makes core dumps worthless */
138 #if 0&&ZEND_DEBUG
139 	original_sigsegv_handler = signal(SIGSEGV, zend_handle_sigsegv);
140 #endif
141 	EG(return_value_ptr_ptr) = NULL;
142 
143 	EG(symtable_cache_ptr) = EG(symtable_cache) - 1;
144 	EG(symtable_cache_limit) = EG(symtable_cache) + SYMTABLE_CACHE_SIZE - 1;
145 	EG(no_extensions) = 0;
146 
147 	EG(function_table) = CG(function_table);
148 	EG(class_table) = CG(class_table);
149 
150 	EG(in_execution) = 0;
151 	EG(in_autoload) = NULL;
152 	EG(autoload_func) = NULL;
153 	EG(error_handling) = EH_NORMAL;
154 
155 	zend_vm_stack_init(TSRMLS_C);
156 	zend_vm_stack_push((void *) NULL TSRMLS_CC);
157 
158 	zend_hash_init(&EG(symbol_table), 50, NULL, ZVAL_PTR_DTOR, 0);
159 	EG(active_symbol_table) = &EG(symbol_table);
160 
161 	zend_llist_apply(&zend_extensions, (llist_apply_func_t) zend_extension_activator TSRMLS_CC);
162 	EG(opline_ptr) = NULL;
163 
164 	zend_hash_init(&EG(included_files), 5, NULL, NULL, 0);
165 
166 	EG(ticks_count) = 0;
167 
168 	EG(user_error_handler) = NULL;
169 
170 	EG(current_execute_data) = NULL;
171 
172 	zend_stack_init(&EG(user_error_handlers_error_reporting));
173 	zend_ptr_stack_init(&EG(user_error_handlers));
174 	zend_ptr_stack_init(&EG(user_exception_handlers));
175 
176 	zend_objects_store_init(&EG(objects_store), 1024);
177 
178 	EG(full_tables_cleanup) = 0;
179 #ifdef ZEND_WIN32
180 	EG(timed_out) = 0;
181 #endif
182 
183 	EG(exception) = NULL;
184 	EG(prev_exception) = NULL;
185 
186 	EG(scope) = NULL;
187 	EG(called_scope) = NULL;
188 
189 	EG(This) = NULL;
190 
191 	EG(active_op_array) = NULL;
192 
193 	EG(active) = 1;
194 	EG(start_op) = NULL;
195 }
196 /* }}} */
197 
zval_call_destructor(zval ** zv TSRMLS_DC)198 static int zval_call_destructor(zval **zv TSRMLS_DC) /* {{{ */
199 {
200 	if (Z_TYPE_PP(zv) == IS_OBJECT && Z_REFCOUNT_PP(zv) == 1) {
201 		return ZEND_HASH_APPLY_REMOVE;
202 	} else {
203 		return ZEND_HASH_APPLY_KEEP;
204 	}
205 }
206 /* }}} */
207 
shutdown_destructors(TSRMLS_D)208 void shutdown_destructors(TSRMLS_D) /* {{{ */
209 {
210 	zend_try {
211 		int symbols;
212 		do {
213 			symbols = zend_hash_num_elements(&EG(symbol_table));
214 			zend_hash_reverse_apply(&EG(symbol_table), (apply_func_t) zval_call_destructor TSRMLS_CC);
215 		} while (symbols != zend_hash_num_elements(&EG(symbol_table)));
216 		zend_objects_store_call_destructors(&EG(objects_store) TSRMLS_CC);
217 	} zend_catch {
218 		/* if we couldn't destruct cleanly, mark all objects as destructed anyway */
219 		zend_objects_store_mark_destructed(&EG(objects_store) TSRMLS_CC);
220 	} zend_end_try();
221 }
222 /* }}} */
223 
shutdown_executor(TSRMLS_D)224 void shutdown_executor(TSRMLS_D) /* {{{ */
225 {
226 	zend_try {
227 
228 /* Removed because this can not be safely done, e.g. in this situation:
229    Object 1 creates object 2
230    Object 3 holds reference to object 2.
231    Now when 1 and 2 are destroyed, 3 can still access 2 in its destructor, with
232    very problematic results */
233 /* 		zend_objects_store_call_destructors(&EG(objects_store) TSRMLS_CC); */
234 
235 /* Moved after symbol table cleaners, because  some of the cleaners can call
236    destructors, which would use EG(symtable_cache_ptr) and thus leave leaks */
237 /*		while (EG(symtable_cache_ptr)>=EG(symtable_cache)) {
238 			zend_hash_destroy(*EG(symtable_cache_ptr));
239 			efree(*EG(symtable_cache_ptr));
240 			EG(symtable_cache_ptr)--;
241 		}
242 */
243 		zend_llist_apply(&zend_extensions, (llist_apply_func_t) zend_extension_deactivator TSRMLS_CC);
244 		zend_hash_graceful_reverse_destroy(&EG(symbol_table));
245 	} zend_end_try();
246 
247 	zend_try {
248 		zval *zeh;
249 		/* remove error handlers before destroying classes and functions,
250 		 * so that if handler used some class, crash would not happen */
251 		if (EG(user_error_handler)) {
252 			zeh = EG(user_error_handler);
253 			EG(user_error_handler) = NULL;
254 			zval_ptr_dtor(&zeh);
255 		}
256 
257 		if (EG(user_exception_handler)) {
258 			zeh = EG(user_exception_handler);
259 			EG(user_exception_handler) = NULL;
260 			zval_ptr_dtor(&zeh);
261 		}
262 
263 		zend_stack_destroy(&EG(user_error_handlers_error_reporting));
264 		zend_stack_init(&EG(user_error_handlers_error_reporting));
265 		zend_ptr_stack_clean(&EG(user_error_handlers), ZVAL_DESTRUCTOR, 1);
266 		zend_ptr_stack_clean(&EG(user_exception_handlers), ZVAL_DESTRUCTOR, 1);
267 	} zend_end_try();
268 
269 	zend_try {
270 		/* Cleanup static data for functions and arrays.
271 		 * We need a separate cleanup stage because of the following problem:
272 		 * Suppose we destroy class X, which destroys the class's function table,
273 		 * and in the function table we have function foo() that has static $bar.
274 		 * Now if an object of class X is assigned to $bar, its destructor will be
275 		 * called and will fail since X's function table is in mid-destruction.
276 		 * So we want first of all to clean up all data and then move to tables destruction.
277 		 * Note that only run-time accessed data need to be cleaned up, pre-defined data can
278 		 * not contain objects and thus are not probelmatic */
279 		if (EG(full_tables_cleanup)) {
280 			zend_hash_apply(EG(function_table), (apply_func_t) zend_cleanup_function_data_full TSRMLS_CC);
281 			zend_hash_apply(EG(class_table), (apply_func_t) zend_cleanup_class_data TSRMLS_CC);
282 		} else {
283 			zend_hash_reverse_apply(EG(function_table), (apply_func_t) zend_cleanup_function_data TSRMLS_CC);
284 			zend_hash_reverse_apply(EG(class_table), (apply_func_t) zend_cleanup_user_class_data TSRMLS_CC);
285 			zend_cleanup_internal_classes(TSRMLS_C);
286 		}
287 	} zend_end_try();
288 
289 	zend_try {
290 		zend_objects_store_free_object_storage(&EG(objects_store) TSRMLS_CC);
291 
292 		zend_vm_stack_destroy(TSRMLS_C);
293 
294 		/* Destroy all op arrays */
295 		if (EG(full_tables_cleanup)) {
296 			zend_hash_reverse_apply(EG(function_table), (apply_func_t) clean_non_persistent_function_full TSRMLS_CC);
297 			zend_hash_reverse_apply(EG(class_table), (apply_func_t) clean_non_persistent_class_full TSRMLS_CC);
298 		} else {
299 			zend_hash_reverse_apply(EG(function_table), (apply_func_t) clean_non_persistent_function TSRMLS_CC);
300 			zend_hash_reverse_apply(EG(class_table), (apply_func_t) clean_non_persistent_class TSRMLS_CC);
301 		}
302 
303 		while (EG(symtable_cache_ptr)>=EG(symtable_cache)) {
304 			zend_hash_destroy(*EG(symtable_cache_ptr));
305 			FREE_HASHTABLE(*EG(symtable_cache_ptr));
306 			EG(symtable_cache_ptr)--;
307 		}
308 	} zend_end_try();
309 
310 	zend_try {
311 		clean_non_persistent_constants(TSRMLS_C);
312 	} zend_end_try();
313 
314 	zend_try {
315 #if 0&&ZEND_DEBUG
316 	signal(SIGSEGV, original_sigsegv_handler);
317 #endif
318 
319 		zend_hash_destroy(&EG(included_files));
320 
321 		zend_stack_destroy(&EG(user_error_handlers_error_reporting));
322 		zend_ptr_stack_destroy(&EG(user_error_handlers));
323 		zend_ptr_stack_destroy(&EG(user_exception_handlers));
324 		zend_objects_store_destroy(&EG(objects_store));
325 		if (EG(in_autoload)) {
326 			zend_hash_destroy(EG(in_autoload));
327 			FREE_HASHTABLE(EG(in_autoload));
328 		}
329 	} zend_end_try();
330 
331 	zend_shutdown_fpu(TSRMLS_C);
332 
333 	EG(active) = 0;
334 }
335 /* }}} */
336 
337 /* return class name and "::" or "". */
get_active_class_name(const char ** space TSRMLS_DC)338 ZEND_API const char *get_active_class_name(const char **space TSRMLS_DC) /* {{{ */
339 {
340 	if (!zend_is_executing(TSRMLS_C)) {
341 		if (space) {
342 			*space = "";
343 		}
344 		return "";
345 	}
346 	switch (EG(current_execute_data)->function_state.function->type) {
347 		case ZEND_USER_FUNCTION:
348 		case ZEND_INTERNAL_FUNCTION:
349 		{
350 			zend_class_entry *ce = EG(current_execute_data)->function_state.function->common.scope;
351 
352 			if (space) {
353 				*space = ce ? "::" : "";
354 			}
355 			return ce ? ce->name : "";
356 		}
357 		default:
358 			if (space) {
359 				*space = "";
360 			}
361 			return "";
362 	}
363 }
364 /* }}} */
365 
get_active_function_name(TSRMLS_D)366 ZEND_API const char *get_active_function_name(TSRMLS_D) /* {{{ */
367 {
368 	if (!zend_is_executing(TSRMLS_C)) {
369 		return NULL;
370 	}
371 	switch (EG(current_execute_data)->function_state.function->type) {
372 		case ZEND_USER_FUNCTION: {
373 				const char *function_name = ((zend_op_array *) EG(current_execute_data)->function_state.function)->function_name;
374 
375 				if (function_name) {
376 					return function_name;
377 				} else {
378 					return "main";
379 				}
380 			}
381 			break;
382 		case ZEND_INTERNAL_FUNCTION:
383 			return ((zend_internal_function *) EG(current_execute_data)->function_state.function)->function_name;
384 			break;
385 		default:
386 			return NULL;
387 	}
388 }
389 /* }}} */
390 
zend_get_executed_filename(TSRMLS_D)391 ZEND_API const char *zend_get_executed_filename(TSRMLS_D) /* {{{ */
392 {
393 	if (EG(active_op_array)) {
394 		return EG(active_op_array)->filename;
395 	} else {
396 		return "[no active file]";
397 	}
398 }
399 /* }}} */
400 
zend_get_executed_lineno(TSRMLS_D)401 ZEND_API uint zend_get_executed_lineno(TSRMLS_D) /* {{{ */
402 {
403 	if(EG(exception) && EG(opline_ptr) && active_opline->opcode == ZEND_HANDLE_EXCEPTION &&
404 		active_opline->lineno == 0 && EG(opline_before_exception)) {
405 		return EG(opline_before_exception)->lineno;
406 	}
407 	if (EG(opline_ptr)) {
408 		return active_opline->lineno;
409 	} else {
410 		return 0;
411 	}
412 }
413 /* }}} */
414 
zend_is_executing(TSRMLS_D)415 ZEND_API zend_bool zend_is_executing(TSRMLS_D) /* {{{ */
416 {
417 	return EG(in_execution);
418 }
419 /* }}} */
420 
_zval_ptr_dtor(zval ** zval_ptr ZEND_FILE_LINE_DC)421 ZEND_API void _zval_ptr_dtor(zval **zval_ptr ZEND_FILE_LINE_DC) /* {{{ */
422 {
423 	TSRMLS_FETCH();
424 	i_zval_ptr_dtor(*zval_ptr ZEND_FILE_LINE_RELAY_CC TSRMLS_CC);
425 }
426 /* }}} */
427 
_zval_internal_ptr_dtor(zval ** zval_ptr ZEND_FILE_LINE_DC)428 ZEND_API void _zval_internal_ptr_dtor(zval **zval_ptr ZEND_FILE_LINE_DC) /* {{{ */
429 {
430 #if DEBUG_ZEND>=2
431 	printf("Reducing refcount for %x (%x): %d->%d\n", *zval_ptr, zval_ptr, Z_REFCOUNT_PP(zval_ptr), Z_REFCOUNT_PP(zval_ptr) - 1);
432 #endif
433 	Z_DELREF_PP(zval_ptr);
434 	if (Z_REFCOUNT_PP(zval_ptr) == 0) {
435 		zval_internal_dtor(*zval_ptr);
436 		free(*zval_ptr);
437 	} else if (Z_REFCOUNT_PP(zval_ptr) == 1) {
438 		Z_UNSET_ISREF_PP(zval_ptr);
439 	}
440 }
441 /* }}} */
442 
zend_is_true(zval * op)443 ZEND_API int zend_is_true(zval *op) /* {{{ */
444 {
445 	return i_zend_is_true(op);
446 }
447 /* }}} */
448 
449 #define IS_VISITED_CONSTANT			0x80
450 #define IS_CONSTANT_VISITED(p)		(Z_TYPE_P(p) & IS_VISITED_CONSTANT)
451 #define Z_REAL_TYPE_P(p)			(Z_TYPE_P(p) & ~IS_VISITED_CONSTANT)
452 #define MARK_CONSTANT_VISITED(p)	Z_TYPE_P(p) |= IS_VISITED_CONSTANT
453 
zval_update_constant_ex(zval ** pp,zend_bool inline_change,zend_class_entry * scope TSRMLS_DC)454 ZEND_API int zval_update_constant_ex(zval **pp, zend_bool inline_change, zend_class_entry *scope TSRMLS_DC) /* {{{ */
455 {
456 	zval *p = *pp;
457 	zval const_value;
458 	char *colon;
459 
460 	if (IS_CONSTANT_VISITED(p)) {
461 		zend_error(E_ERROR, "Cannot declare self-referencing constant '%s'", Z_STRVAL_P(p));
462 	} else if ((Z_TYPE_P(p) & IS_CONSTANT_TYPE_MASK) == IS_CONSTANT) {
463 		int refcount;
464 		zend_uchar is_ref;
465 
466 		SEPARATE_ZVAL_IF_NOT_REF(pp);
467 		p = *pp;
468 
469 		MARK_CONSTANT_VISITED(p);
470 
471 		refcount = Z_REFCOUNT_P(p);
472 		is_ref = Z_ISREF_P(p);
473 
474 		if (!zend_get_constant_ex(p->value.str.val, p->value.str.len, &const_value, scope, Z_REAL_TYPE_P(p) TSRMLS_CC)) {
475 			char *actual = Z_STRVAL_P(p);
476 
477 			if ((colon = (char*)zend_memrchr(Z_STRVAL_P(p), ':', Z_STRLEN_P(p)))) {
478 				zend_error(E_ERROR, "Undefined class constant '%s'", Z_STRVAL_P(p));
479 				Z_STRLEN_P(p) -= ((colon - Z_STRVAL_P(p)) + 1);
480 				if (inline_change) {
481 					colon = estrndup(colon, Z_STRLEN_P(p));
482 					str_efree(Z_STRVAL_P(p));
483 					Z_STRVAL_P(p) = colon;
484 				} else {
485 					Z_STRVAL_P(p) = colon + 1;
486 				}
487 			} else {
488 				char *save = actual, *slash;
489 				int actual_len = Z_STRLEN_P(p);
490 				if ((Z_TYPE_P(p) & IS_CONSTANT_UNQUALIFIED) && (slash = (char *)zend_memrchr(actual, '\\', actual_len))) {
491 					actual = slash + 1;
492 					actual_len -= (actual - Z_STRVAL_P(p));
493 					if (inline_change) {
494 						actual = estrndup(actual, actual_len);
495 						Z_STRVAL_P(p) = actual;
496 						Z_STRLEN_P(p) = actual_len;
497 					}
498 				}
499 				if (actual[0] == '\\') {
500 					if (inline_change) {
501 						memmove(Z_STRVAL_P(p), Z_STRVAL_P(p)+1, Z_STRLEN_P(p));
502 						--Z_STRLEN_P(p);
503 					} else {
504 						++actual;
505 					}
506 					--actual_len;
507 				}
508 				if ((Z_TYPE_P(p) & IS_CONSTANT_UNQUALIFIED) == 0) {
509 					int fix_save = 0;
510 					if (save[0] == '\\') {
511 						save++;
512 						fix_save = 1;
513 					}
514 					zend_error(E_ERROR, "Undefined constant '%s'", save);
515 					if (fix_save) {
516 						save--;
517 					}
518 					if (inline_change) {
519 						str_efree(save);
520 					}
521 					save = NULL;
522 				}
523 				if (inline_change && save && save != actual) {
524 					str_efree(save);
525 				}
526 				zend_error(E_NOTICE, "Use of undefined constant %s - assumed '%s'",  actual,  actual);
527 				p->type = IS_STRING;
528 				if (!inline_change) {
529 					Z_STRVAL_P(p) = actual;
530 					Z_STRLEN_P(p) = actual_len;
531 					zval_copy_ctor(p);
532 				}
533 			}
534 		} else {
535 			if (inline_change) {
536 				str_efree(Z_STRVAL_P(p));
537 			}
538 			*p = const_value;
539 		}
540 
541 		Z_SET_REFCOUNT_P(p, refcount);
542 		Z_SET_ISREF_TO_P(p, is_ref);
543 	} else if (Z_TYPE_P(p) == IS_CONSTANT_AST) {
544 		SEPARATE_ZVAL_IF_NOT_REF(pp);
545 		p = *pp;
546 
547 		zend_ast_evaluate(&const_value, Z_AST_P(p), scope TSRMLS_CC);
548 		if (inline_change) {
549 			zend_ast_destroy(Z_AST_P(p));
550 		}
551 		ZVAL_COPY_VALUE(p, &const_value);
552 	}
553 	return 0;
554 }
555 /* }}} */
556 
zval_update_constant_inline_change(zval ** pp,zend_class_entry * scope TSRMLS_DC)557 ZEND_API int zval_update_constant_inline_change(zval **pp, zend_class_entry *scope TSRMLS_DC) /* {{{ */
558 {
559 	return zval_update_constant_ex(pp, 1, scope TSRMLS_CC);
560 }
561 /* }}} */
562 
zval_update_constant_no_inline_change(zval ** pp,zend_class_entry * scope TSRMLS_DC)563 ZEND_API int zval_update_constant_no_inline_change(zval **pp, zend_class_entry *scope TSRMLS_DC) /* {{{ */
564 {
565 	return zval_update_constant_ex(pp, 0, scope TSRMLS_CC);
566 }
567 /* }}} */
568 
zval_update_constant(zval ** pp,zend_bool inline_change TSRMLS_DC)569 ZEND_API int zval_update_constant(zval **pp, zend_bool inline_change TSRMLS_DC) /* {{{ */
570 {
571 	return zval_update_constant_ex(pp, inline_change, NULL TSRMLS_CC);
572 }
573 /* }}} */
574 
call_user_function(HashTable * function_table,zval ** object_pp,zval * function_name,zval * retval_ptr,zend_uint param_count,zval * params[]TSRMLS_DC)575 int call_user_function(HashTable *function_table, zval **object_pp, zval *function_name, zval *retval_ptr, zend_uint param_count, zval *params[] TSRMLS_DC) /* {{{ */
576 {
577 	zval ***params_array;
578 	zend_uint i;
579 	int ex_retval;
580 	zval *local_retval_ptr = NULL;
581 
582 	if (param_count) {
583 		params_array = (zval ***) emalloc(sizeof(zval **)*param_count);
584 		for (i=0; i<param_count; i++) {
585 			params_array[i] = &params[i];
586 		}
587 	} else {
588 		params_array = NULL;
589 	}
590 	ex_retval = call_user_function_ex(function_table, object_pp, function_name, &local_retval_ptr, param_count, params_array, 1, NULL TSRMLS_CC);
591 	if (local_retval_ptr) {
592 		COPY_PZVAL_TO_ZVAL(*retval_ptr, local_retval_ptr);
593 	} else {
594 		INIT_ZVAL(*retval_ptr);
595 	}
596 	if (params_array) {
597 		efree(params_array);
598 	}
599 	return ex_retval;
600 }
601 /* }}} */
602 
call_user_function_ex(HashTable * function_table,zval ** object_pp,zval * function_name,zval ** retval_ptr_ptr,zend_uint param_count,zval ** params[],int no_separation,HashTable * symbol_table TSRMLS_DC)603 int call_user_function_ex(HashTable *function_table, zval **object_pp, zval *function_name, zval **retval_ptr_ptr, zend_uint param_count, zval **params[], int no_separation, HashTable *symbol_table TSRMLS_DC) /* {{{ */
604 {
605 	zend_fcall_info fci;
606 
607 	fci.size = sizeof(fci);
608 	fci.function_table = function_table;
609 	fci.object_ptr = object_pp ? *object_pp : NULL;
610 	fci.function_name = function_name;
611 	fci.retval_ptr_ptr = retval_ptr_ptr;
612 	fci.param_count = param_count;
613 	fci.params = params;
614 	fci.no_separation = (zend_bool) no_separation;
615 	fci.symbol_table = symbol_table;
616 
617 	return zend_call_function(&fci, NULL TSRMLS_CC);
618 }
619 /* }}} */
620 
zend_call_function(zend_fcall_info * fci,zend_fcall_info_cache * fci_cache TSRMLS_DC)621 int zend_call_function(zend_fcall_info *fci, zend_fcall_info_cache *fci_cache TSRMLS_DC) /* {{{ */
622 {
623 	zend_uint i;
624 	zval **original_return_value;
625 	HashTable *calling_symbol_table;
626 	zend_op_array *original_op_array;
627 	zend_op **original_opline_ptr;
628 	zend_class_entry *current_scope;
629 	zend_class_entry *current_called_scope;
630 	zend_class_entry *calling_scope = NULL;
631 	zend_class_entry *called_scope = NULL;
632 	zval *current_this;
633 	zend_execute_data execute_data;
634 	zend_fcall_info_cache fci_cache_local;
635 
636 	*fci->retval_ptr_ptr = NULL;
637 
638 	if (!EG(active)) {
639 		return FAILURE; /* executor is already inactive */
640 	}
641 
642 	if (EG(exception)) {
643 		return FAILURE; /* we would result in an instable executor otherwise */
644 	}
645 
646 	switch (fci->size) {
647 		case sizeof(zend_fcall_info):
648 			break; /* nothing to do currently */
649 		default:
650 			zend_error(E_ERROR, "Corrupted fcall_info provided to zend_call_function()");
651 			break;
652 	}
653 
654 	/* Initialize execute_data */
655 	if (EG(current_execute_data)) {
656 		execute_data = *EG(current_execute_data);
657 		EX(op_array) = NULL;
658 		EX(opline) = NULL;
659 		EX(object) = NULL;
660 	} else {
661 		/* This only happens when we're called outside any execute()'s
662 		 * It shouldn't be strictly necessary to NULL execute_data out,
663 		 * but it may make bugs easier to spot
664 		 */
665 		memset(&execute_data, 0, sizeof(zend_execute_data));
666 	}
667 
668 	if (!fci_cache || !fci_cache->initialized) {
669 		char *callable_name;
670 		char *error = NULL;
671 
672 		if (!fci_cache) {
673 			fci_cache = &fci_cache_local;
674 		}
675 
676 		if (!zend_is_callable_ex(fci->function_name, fci->object_ptr, IS_CALLABLE_CHECK_SILENT, &callable_name, NULL, fci_cache, &error TSRMLS_CC)) {
677 			if (error) {
678 				zend_error(E_WARNING, "Invalid callback %s, %s", callable_name, error);
679 				efree(error);
680 			}
681 			if (callable_name) {
682 				efree(callable_name);
683 			}
684 			return FAILURE;
685 		} else if (error) {
686 			/* Capitalize the first latter of the error message */
687 			if (error[0] >= 'a' && error[0] <= 'z') {
688 				error[0] += ('A' - 'a');
689 			}
690 			zend_error(E_STRICT, "%s", error);
691 			efree(error);
692 		}
693 		efree(callable_name);
694 	}
695 
696 	EX(function_state).function = fci_cache->function_handler;
697 	calling_scope = fci_cache->calling_scope;
698 	called_scope = fci_cache->called_scope;
699 	fci->object_ptr = fci_cache->object_ptr;
700 	EX(object) = fci->object_ptr;
701 	if (fci->object_ptr && Z_TYPE_P(fci->object_ptr) == IS_OBJECT &&
702 	    (!EG(objects_store).object_buckets || !EG(objects_store).object_buckets[Z_OBJ_HANDLE_P(fci->object_ptr)].valid)) {
703 		return FAILURE;
704 	}
705 
706 	if (EX(function_state).function->common.fn_flags & (ZEND_ACC_ABSTRACT|ZEND_ACC_DEPRECATED)) {
707 		if (EX(function_state).function->common.fn_flags & ZEND_ACC_ABSTRACT) {
708 			zend_error_noreturn(E_ERROR, "Cannot call abstract method %s::%s()", EX(function_state).function->common.scope->name, EX(function_state).function->common.function_name);
709 		}
710 		if (EX(function_state).function->common.fn_flags & ZEND_ACC_DEPRECATED) {
711  			zend_error(E_DEPRECATED, "Function %s%s%s() is deprecated",
712 				EX(function_state).function->common.scope ? EX(function_state).function->common.scope->name : "",
713 				EX(function_state).function->common.scope ? "::" : "",
714 				EX(function_state).function->common.function_name);
715 		}
716 	}
717 
718 	ZEND_VM_STACK_GROW_IF_NEEDED(fci->param_count + 1);
719 
720 	for (i=0; i<fci->param_count; i++) {
721 		zval *param;
722 
723 		if (ARG_SHOULD_BE_SENT_BY_REF(EX(function_state).function, i + 1)) {
724 			if (!PZVAL_IS_REF(*fci->params[i]) && Z_REFCOUNT_PP(fci->params[i]) > 1) {
725 				zval *new_zval;
726 
727 				if (fci->no_separation &&
728 				    !ARG_MAY_BE_SENT_BY_REF(EX(function_state).function, i + 1)) {
729 					if (i || UNEXPECTED(ZEND_VM_STACK_ELEMETS(EG(argument_stack)) == (EG(argument_stack)->top))) {
730 						/* hack to clean up the stack */
731 						zend_vm_stack_push((void *) (zend_uintptr_t)i TSRMLS_CC);
732 						zend_vm_stack_clear_multiple(0 TSRMLS_CC);
733 					}
734 
735 					zend_error(E_WARNING, "Parameter %d to %s%s%s() expected to be a reference, value given",
736 						i+1,
737 						EX(function_state).function->common.scope ? EX(function_state).function->common.scope->name : "",
738 						EX(function_state).function->common.scope ? "::" : "",
739 						EX(function_state).function->common.function_name);
740 					return FAILURE;
741 				}
742 
743 				ALLOC_ZVAL(new_zval);
744 				*new_zval = **fci->params[i];
745 				zval_copy_ctor(new_zval);
746 				Z_SET_REFCOUNT_P(new_zval, 1);
747 				Z_DELREF_PP(fci->params[i]);
748 				*fci->params[i] = new_zval;
749 			}
750 			Z_ADDREF_PP(fci->params[i]);
751 			Z_SET_ISREF_PP(fci->params[i]);
752 			param = *fci->params[i];
753 		} else if (PZVAL_IS_REF(*fci->params[i]) &&
754 		           /* don't separate references for __call */
755 		           (EX(function_state).function->common.fn_flags & ZEND_ACC_CALL_VIA_HANDLER) == 0 ) {
756 			ALLOC_ZVAL(param);
757 			*param = **(fci->params[i]);
758 			INIT_PZVAL(param);
759 			zval_copy_ctor(param);
760 		} else if (*fci->params[i] != &EG(uninitialized_zval)) {
761 			Z_ADDREF_PP(fci->params[i]);
762 			param = *fci->params[i];
763 		} else {
764 			ALLOC_ZVAL(param);
765 			*param = **(fci->params[i]);
766 			INIT_PZVAL(param);
767 		}
768 		zend_vm_stack_push(param TSRMLS_CC);
769 	}
770 
771 	EX(function_state).arguments = zend_vm_stack_top(TSRMLS_C);
772 	zend_vm_stack_push((void*)(zend_uintptr_t)fci->param_count TSRMLS_CC);
773 
774 	current_scope = EG(scope);
775 	EG(scope) = calling_scope;
776 
777 	current_this = EG(This);
778 
779 	current_called_scope = EG(called_scope);
780 	if (called_scope) {
781 		EG(called_scope) = called_scope;
782 	} else if (EX(function_state).function->type != ZEND_INTERNAL_FUNCTION) {
783 		EG(called_scope) = NULL;
784 	}
785 
786 	if (fci->object_ptr) {
787 		if ((EX(function_state).function->common.fn_flags & ZEND_ACC_STATIC)) {
788 			EG(This) = NULL;
789 		} else {
790 			EG(This) = fci->object_ptr;
791 
792 			if (!PZVAL_IS_REF(EG(This))) {
793 				Z_ADDREF_P(EG(This)); /* For $this pointer */
794 			} else {
795 				zval *this_ptr;
796 
797 				ALLOC_ZVAL(this_ptr);
798 				*this_ptr = *EG(This);
799 				INIT_PZVAL(this_ptr);
800 				zval_copy_ctor(this_ptr);
801 				EG(This) = this_ptr;
802 			}
803 		}
804 	} else {
805 		EG(This) = NULL;
806 	}
807 
808 	EX(prev_execute_data) = EG(current_execute_data);
809 	EG(current_execute_data) = &execute_data;
810 
811 	if (EX(function_state).function->type == ZEND_USER_FUNCTION) {
812 		calling_symbol_table = EG(active_symbol_table);
813 		EG(scope) = EX(function_state).function->common.scope;
814 		if (fci->symbol_table) {
815 			EG(active_symbol_table) = fci->symbol_table;
816 		} else {
817 			EG(active_symbol_table) = NULL;
818 		}
819 
820 		original_return_value = EG(return_value_ptr_ptr);
821 		original_op_array = EG(active_op_array);
822 		EG(return_value_ptr_ptr) = fci->retval_ptr_ptr;
823 		EG(active_op_array) = (zend_op_array *) EX(function_state).function;
824 		original_opline_ptr = EG(opline_ptr);
825 
826 		if (EG(active_op_array)->fn_flags & ZEND_ACC_GENERATOR) {
827 			*fci->retval_ptr_ptr = zend_generator_create_zval(EG(active_op_array) TSRMLS_CC);
828 		} else {
829 			const zend_op *current_opline_before_exception = EG(opline_before_exception);
830 
831 			zend_execute(EG(active_op_array) TSRMLS_CC);
832 			EG(opline_before_exception) = current_opline_before_exception;
833 		}
834 
835 		if (!fci->symbol_table && EG(active_symbol_table)) {
836 			zend_clean_and_cache_symbol_table(EG(active_symbol_table) TSRMLS_CC);
837 		}
838 		EG(active_symbol_table) = calling_symbol_table;
839 		EG(active_op_array) = original_op_array;
840 		EG(return_value_ptr_ptr)=original_return_value;
841 		EG(opline_ptr) = original_opline_ptr;
842 	} else if (EX(function_state).function->type == ZEND_INTERNAL_FUNCTION) {
843 		int call_via_handler = (EX(function_state).function->common.fn_flags & ZEND_ACC_CALL_VIA_HANDLER) != 0;
844 		ALLOC_INIT_ZVAL(*fci->retval_ptr_ptr);
845 		if (EX(function_state).function->common.scope) {
846 			EG(scope) = EX(function_state).function->common.scope;
847 		}
848 		if (EXPECTED(zend_execute_internal == NULL)) {
849 			/* saves one function call if zend_execute_internal is not used */
850 			EX(function_state).function->internal_function.handler(fci->param_count, *fci->retval_ptr_ptr, fci->retval_ptr_ptr, fci->object_ptr, 1 TSRMLS_CC);
851 		} else {
852 			zend_execute_internal(&execute_data, fci, 1 TSRMLS_CC);
853 		}
854 		/*  We shouldn't fix bad extensions here,
855 			because it can break proper ones (Bug #34045)
856 		if (!EX(function_state).function->common.return_reference)
857 		{
858 			INIT_PZVAL(*fci->retval_ptr_ptr);
859 		}*/
860 		if (EG(exception) && fci->retval_ptr_ptr) {
861 			zval_ptr_dtor(fci->retval_ptr_ptr);
862 			*fci->retval_ptr_ptr = NULL;
863 		}
864 
865 		if (call_via_handler) {
866 			/* We must re-initialize function again */
867 			fci_cache->initialized = 0;
868 		}
869 	} else { /* ZEND_OVERLOADED_FUNCTION */
870 		ALLOC_INIT_ZVAL(*fci->retval_ptr_ptr);
871 
872 		/* Not sure what should be done here if it's a static method */
873 		if (fci->object_ptr) {
874 			Z_OBJ_HT_P(fci->object_ptr)->call_method(EX(function_state).function->common.function_name, fci->param_count, *fci->retval_ptr_ptr, fci->retval_ptr_ptr, fci->object_ptr, 1 TSRMLS_CC);
875 		} else {
876 			zend_error_noreturn(E_ERROR, "Cannot call overloaded function for non-object");
877 		}
878 
879 		if (EX(function_state).function->type == ZEND_OVERLOADED_FUNCTION_TEMPORARY) {
880 			efree((char*)EX(function_state).function->common.function_name);
881 		}
882 		efree(EX(function_state).function);
883 
884 		if (EG(exception) && fci->retval_ptr_ptr) {
885 			zval_ptr_dtor(fci->retval_ptr_ptr);
886 			*fci->retval_ptr_ptr = NULL;
887 		}
888 	}
889 	zend_vm_stack_clear_multiple(0 TSRMLS_CC);
890 
891 	if (EG(This)) {
892 		zval_ptr_dtor(&EG(This));
893 	}
894 	EG(called_scope) = current_called_scope;
895 	EG(scope) = current_scope;
896 	EG(This) = current_this;
897 	EG(current_execute_data) = EX(prev_execute_data);
898 
899 	if (EG(exception)) {
900 		zend_throw_exception_internal(NULL TSRMLS_CC);
901 	}
902 	return SUCCESS;
903 }
904 /* }}} */
905 
zend_lookup_class_ex(const char * name,int name_length,const zend_literal * key,int use_autoload,zend_class_entry *** ce TSRMLS_DC)906 ZEND_API int zend_lookup_class_ex(const char *name, int name_length, const zend_literal *key, int use_autoload, zend_class_entry ***ce TSRMLS_DC) /* {{{ */
907 {
908 	zval **args[1];
909 	zval autoload_function;
910 	zval *class_name_ptr;
911 	zval *retval_ptr = NULL;
912 	int retval, lc_length;
913 	char *lc_name;
914 	char *lc_free;
915 	zend_fcall_info fcall_info;
916 	zend_fcall_info_cache fcall_cache;
917 	char dummy = 1;
918 	ulong hash;
919 	ALLOCA_FLAG(use_heap)
920 
921 	if (key) {
922 		lc_name = Z_STRVAL(key->constant);
923 		lc_length = Z_STRLEN(key->constant) + 1;
924 		hash = key->hash_value;
925 	} else {
926 		if (name == NULL || !name_length) {
927 			return FAILURE;
928 		}
929 
930 		lc_free = lc_name = do_alloca(name_length + 1, use_heap);
931 		zend_str_tolower_copy(lc_name, name, name_length);
932 		lc_length = name_length + 1;
933 
934 		if (lc_name[0] == '\\') {
935 			lc_name += 1;
936 			lc_length -= 1;
937 		}
938 
939 		hash = zend_inline_hash_func(lc_name, lc_length);
940 	}
941 
942 	if (zend_hash_quick_find(EG(class_table), lc_name, lc_length, hash, (void **) ce) == SUCCESS) {
943 		if (!key) {
944 			free_alloca(lc_free, use_heap);
945 		}
946 		return SUCCESS;
947 	}
948 
949 	/* The compiler is not-reentrant. Make sure we __autoload() only during run-time
950 	 * (doesn't impact functionality of __autoload()
951 	*/
952 	if (!use_autoload || zend_is_compiling(TSRMLS_C)) {
953 		if (!key) {
954 			free_alloca(lc_free, use_heap);
955 		}
956 		return FAILURE;
957 	}
958 
959 	/* Verify class name before passing it to __autoload() */
960 	if (strspn(name, "0123456789_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377\\") != name_length) {
961 		if (!key) {
962 			free_alloca(lc_free, use_heap);
963 		}
964 		return FAILURE;
965 	}
966 
967 	if (EG(in_autoload) == NULL) {
968 		ALLOC_HASHTABLE(EG(in_autoload));
969 		zend_hash_init(EG(in_autoload), 0, NULL, NULL, 0);
970 	}
971 
972 	if (zend_hash_quick_add(EG(in_autoload), lc_name, lc_length, hash, (void**)&dummy, sizeof(char), NULL) == FAILURE) {
973 		if (!key) {
974 			free_alloca(lc_free, use_heap);
975 		}
976 		return FAILURE;
977 	}
978 
979 	ZVAL_STRINGL(&autoload_function, ZEND_AUTOLOAD_FUNC_NAME, sizeof(ZEND_AUTOLOAD_FUNC_NAME) - 1, 0);
980 
981 	ALLOC_ZVAL(class_name_ptr);
982 	INIT_PZVAL(class_name_ptr);
983 	if (name[0] == '\\') {
984 		ZVAL_STRINGL(class_name_ptr, name+1, name_length-1, 1);
985 	} else {
986 		ZVAL_STRINGL(class_name_ptr, name, name_length, 1);
987 	}
988 
989 	args[0] = &class_name_ptr;
990 
991 	fcall_info.size = sizeof(fcall_info);
992 	fcall_info.function_table = EG(function_table);
993 	fcall_info.function_name = &autoload_function;
994 	fcall_info.symbol_table = NULL;
995 	fcall_info.retval_ptr_ptr = &retval_ptr;
996 	fcall_info.param_count = 1;
997 	fcall_info.params = args;
998 	fcall_info.object_ptr = NULL;
999 	fcall_info.no_separation = 1;
1000 
1001 	fcall_cache.initialized = EG(autoload_func) ? 1 : 0;
1002 	fcall_cache.function_handler = EG(autoload_func);
1003 	fcall_cache.calling_scope = NULL;
1004 	fcall_cache.called_scope = NULL;
1005 	fcall_cache.object_ptr = NULL;
1006 
1007 	zend_exception_save(TSRMLS_C);
1008 	retval = zend_call_function(&fcall_info, &fcall_cache TSRMLS_CC);
1009 	zend_exception_restore(TSRMLS_C);
1010 
1011 	EG(autoload_func) = fcall_cache.function_handler;
1012 
1013 	zval_ptr_dtor(&class_name_ptr);
1014 
1015 	zend_hash_quick_del(EG(in_autoload), lc_name, lc_length, hash);
1016 
1017 	if (retval_ptr) {
1018 		zval_ptr_dtor(&retval_ptr);
1019 	}
1020 
1021 	if (retval == SUCCESS) {
1022 		retval = zend_hash_quick_find(EG(class_table), lc_name, lc_length, hash, (void **) ce);
1023 	}
1024 	if (!key) {
1025 		free_alloca(lc_free, use_heap);
1026 	}
1027 	return retval;
1028 }
1029 /* }}} */
1030 
zend_lookup_class(const char * name,int name_length,zend_class_entry *** ce TSRMLS_DC)1031 ZEND_API int zend_lookup_class(const char *name, int name_length, zend_class_entry ***ce TSRMLS_DC) /* {{{ */
1032 {
1033 	return zend_lookup_class_ex(name, name_length, NULL, 1, ce TSRMLS_CC);
1034 }
1035 /* }}} */
1036 
zend_eval_stringl(char * str,int str_len,zval * retval_ptr,char * string_name TSRMLS_DC)1037 ZEND_API int zend_eval_stringl(char *str, int str_len, zval *retval_ptr, char *string_name TSRMLS_DC) /* {{{ */
1038 {
1039 	zval pv;
1040 	zend_op_array *new_op_array;
1041 	zend_op_array *original_active_op_array = EG(active_op_array);
1042 	zend_uint original_compiler_options;
1043 	int retval;
1044 
1045 	if (retval_ptr) {
1046 		Z_STRLEN(pv) = str_len + sizeof("return ;") - 1;
1047 		Z_STRVAL(pv) = emalloc(Z_STRLEN(pv) + 1);
1048 		memcpy(Z_STRVAL(pv), "return ", sizeof("return ") - 1);
1049 		memcpy(Z_STRVAL(pv) + sizeof("return ") - 1, str, str_len);
1050 		Z_STRVAL(pv)[Z_STRLEN(pv) - 1] = ';';
1051 		Z_STRVAL(pv)[Z_STRLEN(pv)] = '\0';
1052 	} else {
1053 		Z_STRLEN(pv) = str_len;
1054 		Z_STRVAL(pv) = str;
1055 	}
1056 	Z_TYPE(pv) = IS_STRING;
1057 
1058 	/*printf("Evaluating '%s'\n", pv.value.str.val);*/
1059 
1060 	original_compiler_options = CG(compiler_options);
1061 	CG(compiler_options) = ZEND_COMPILE_DEFAULT_FOR_EVAL;
1062 	new_op_array = zend_compile_string(&pv, string_name TSRMLS_CC);
1063 	CG(compiler_options) = original_compiler_options;
1064 
1065 	if (new_op_array) {
1066 		zval *local_retval_ptr=NULL;
1067 		zval **original_return_value_ptr_ptr = EG(return_value_ptr_ptr);
1068 		zend_op **original_opline_ptr = EG(opline_ptr);
1069 		int orig_interactive = CG(interactive);
1070 
1071 		EG(return_value_ptr_ptr) = &local_retval_ptr;
1072 		EG(active_op_array) = new_op_array;
1073 		EG(no_extensions)=1;
1074 		if (!EG(active_symbol_table)) {
1075 			zend_rebuild_symbol_table(TSRMLS_C);
1076 		}
1077 		CG(interactive) = 0;
1078 
1079 		zend_try {
1080 			zend_execute(new_op_array TSRMLS_CC);
1081 		} zend_catch {
1082 			destroy_op_array(new_op_array TSRMLS_CC);
1083 			efree(new_op_array);
1084 			zend_bailout();
1085 		} zend_end_try();
1086 
1087 		CG(interactive) = orig_interactive;
1088 		if (local_retval_ptr) {
1089 			if (retval_ptr) {
1090 				COPY_PZVAL_TO_ZVAL(*retval_ptr, local_retval_ptr);
1091 			} else {
1092 				zval_ptr_dtor(&local_retval_ptr);
1093 			}
1094 		} else {
1095 			if (retval_ptr) {
1096 				INIT_ZVAL(*retval_ptr);
1097 			}
1098 		}
1099 
1100 		EG(no_extensions)=0;
1101 		EG(opline_ptr) = original_opline_ptr;
1102 		EG(active_op_array) = original_active_op_array;
1103 		destroy_op_array(new_op_array TSRMLS_CC);
1104 		efree(new_op_array);
1105 		EG(return_value_ptr_ptr) = original_return_value_ptr_ptr;
1106 		retval = SUCCESS;
1107 	} else {
1108 		retval = FAILURE;
1109 	}
1110 	if (retval_ptr) {
1111 		zval_dtor(&pv);
1112 	}
1113 	return retval;
1114 }
1115 /* }}} */
1116 
zend_eval_string(char * str,zval * retval_ptr,char * string_name TSRMLS_DC)1117 ZEND_API int zend_eval_string(char *str, zval *retval_ptr, char *string_name TSRMLS_DC) /* {{{ */
1118 {
1119 	return zend_eval_stringl(str, strlen(str), retval_ptr, string_name TSRMLS_CC);
1120 }
1121 /* }}} */
1122 
zend_eval_stringl_ex(char * str,int str_len,zval * retval_ptr,char * string_name,int handle_exceptions TSRMLS_DC)1123 ZEND_API int zend_eval_stringl_ex(char *str, int str_len, zval *retval_ptr, char *string_name, int handle_exceptions TSRMLS_DC) /* {{{ */
1124 {
1125 	int result;
1126 
1127 	result = zend_eval_stringl(str, str_len, retval_ptr, string_name TSRMLS_CC);
1128 	if (handle_exceptions && EG(exception)) {
1129 		zend_exception_error(EG(exception), E_ERROR TSRMLS_CC);
1130 		result = FAILURE;
1131 	}
1132 	return result;
1133 }
1134 /* }}} */
1135 
zend_eval_string_ex(char * str,zval * retval_ptr,char * string_name,int handle_exceptions TSRMLS_DC)1136 ZEND_API int zend_eval_string_ex(char *str, zval *retval_ptr, char *string_name, int handle_exceptions TSRMLS_DC) /* {{{ */
1137 {
1138 	return zend_eval_stringl_ex(str, strlen(str), retval_ptr, string_name, handle_exceptions TSRMLS_CC);
1139 }
1140 /* }}} */
1141 
execute_new_code(TSRMLS_D)1142 void execute_new_code(TSRMLS_D) /* {{{ */
1143 {
1144 	zend_op *opline, *end;
1145 	zend_op *ret_opline;
1146 	int orig_interactive;
1147 
1148 	if (!(CG(active_op_array)->fn_flags & ZEND_ACC_INTERACTIVE)
1149 		|| CG(context).backpatch_count>0
1150 		|| CG(active_op_array)->function_name
1151 		|| CG(active_op_array)->type!=ZEND_USER_FUNCTION) {
1152 		return;
1153 	}
1154 
1155 	ret_opline = get_next_op(CG(active_op_array) TSRMLS_CC);
1156 	ret_opline->opcode = ZEND_RETURN;
1157 	ret_opline->op1_type = IS_CONST;
1158 	ret_opline->op1.constant = zend_add_literal(CG(active_op_array), &EG(uninitialized_zval) TSRMLS_CC);
1159 	SET_UNUSED(ret_opline->op2);
1160 
1161 	if (!EG(start_op)) {
1162 		EG(start_op) = CG(active_op_array)->opcodes;
1163 	}
1164 
1165 	opline=EG(start_op);
1166 	end=CG(active_op_array)->opcodes+CG(active_op_array)->last;
1167 
1168 	while (opline<end) {
1169 		if (opline->op1_type == IS_CONST) {
1170 			opline->op1.zv = &CG(active_op_array)->literals[opline->op1.constant].constant;
1171 		}
1172 		if (opline->op2_type == IS_CONST) {
1173 			opline->op2.zv = &CG(active_op_array)->literals[opline->op2.constant].constant;
1174 		}
1175 		switch (opline->opcode) {
1176 			case ZEND_GOTO:
1177 				if (Z_TYPE_P(opline->op2.zv) != IS_LONG) {
1178 					zend_resolve_goto_label(CG(active_op_array), opline, 1 TSRMLS_CC);
1179 				}
1180 				/* break omitted intentionally */
1181 			case ZEND_JMP:
1182 				opline->op1.jmp_addr = &CG(active_op_array)->opcodes[opline->op1.opline_num];
1183 				break;
1184 			case ZEND_JMPZ:
1185 			case ZEND_JMPNZ:
1186 			case ZEND_JMPZ_EX:
1187 			case ZEND_JMPNZ_EX:
1188 			case ZEND_JMP_SET:
1189 			case ZEND_JMP_SET_VAR:
1190 				opline->op2.jmp_addr = &CG(active_op_array)->opcodes[opline->op2.opline_num];
1191 				break;
1192 		}
1193 		ZEND_VM_SET_OPCODE_HANDLER(opline);
1194 		opline++;
1195 	}
1196 
1197 	zend_release_labels(1 TSRMLS_CC);
1198 
1199 	EG(return_value_ptr_ptr) = NULL;
1200 	EG(active_op_array) = CG(active_op_array);
1201 	orig_interactive = CG(interactive);
1202 	CG(interactive) = 0;
1203 	zend_execute(CG(active_op_array) TSRMLS_CC);
1204 	CG(interactive) = orig_interactive;
1205 
1206 	if (EG(exception)) {
1207 		zend_exception_error(EG(exception), E_ERROR TSRMLS_CC);
1208 	}
1209 
1210 	CG(active_op_array)->last -= 1;	/* get rid of that ZEND_RETURN */
1211 	EG(start_op) = CG(active_op_array)->opcodes+CG(active_op_array)->last;
1212 }
1213 /* }}} */
1214 
zend_timeout(int dummy)1215 ZEND_API void zend_timeout(int dummy) /* {{{ */
1216 {
1217 	TSRMLS_FETCH();
1218 
1219 	if (zend_on_timeout) {
1220 #ifdef ZEND_SIGNALS
1221 		/*
1222 		   We got here because we got a timeout signal, so we are in a signal handler
1223 		   at this point. However, we want to be able to timeout any user-supplied
1224 		   shutdown functions, so pretend we are not in a signal handler while we are
1225 		   calling these
1226 		*/
1227 		SIGG(running) = 0;
1228 #endif
1229 		zend_on_timeout(EG(timeout_seconds) TSRMLS_CC);
1230 	}
1231 
1232 	zend_error(E_ERROR, "Maximum execution time of %d second%s exceeded", EG(timeout_seconds), EG(timeout_seconds) == 1 ? "" : "s");
1233 }
1234 /* }}} */
1235 
1236 #ifdef ZEND_WIN32
tq_timer_cb(PVOID arg,BOOLEAN timed_out)1237 VOID CALLBACK tq_timer_cb(PVOID arg, BOOLEAN timed_out)
1238 {
1239 	zend_bool *php_timed_out;
1240 
1241 	/* The doc states it'll be always true, however it theoretically
1242 		could be FALSE when the thread was signaled. */
1243 	if (!timed_out) {
1244 		return;
1245 	}
1246 
1247 	php_timed_out = (zend_bool *)arg;
1248 	*php_timed_out = 1;
1249 }
1250 #endif
1251 
1252 /* This one doesn't exists on QNX */
1253 #ifndef SIGPROF
1254 #define SIGPROF 27
1255 #endif
1256 
zend_set_timeout(long seconds,int reset_signals)1257 void zend_set_timeout(long seconds, int reset_signals) /* {{{ */
1258 {
1259 	TSRMLS_FETCH();
1260 
1261 	EG(timeout_seconds) = seconds;
1262 
1263 #ifdef ZEND_WIN32
1264 	if(!seconds) {
1265 		return;
1266 	}
1267 
1268         /* Don't use ChangeTimerQueueTimer() as it will not restart an expired
1269 		timer, so we could end up with just an ignored timeout. Instead
1270 		delete and recreate. */
1271 	if (NULL != tq_timer) {
1272 		if (!DeleteTimerQueueTimer(NULL, tq_timer, NULL)) {
1273 			EG(timed_out) = 0;
1274 			tq_timer = NULL;
1275 			zend_error(E_ERROR, "Could not delete queued timer");
1276 			return;
1277 		}
1278 		tq_timer = NULL;
1279 	}
1280 
1281 	/* XXX passing NULL means the default timer queue provided by the system is used */
1282 	if (!CreateTimerQueueTimer(&tq_timer, NULL, (WAITORTIMERCALLBACK)tq_timer_cb, (VOID*)&EG(timed_out), seconds*1000, 0, WT_EXECUTEONLYONCE)) {
1283 		EG(timed_out) = 0;
1284 		tq_timer = NULL;
1285 		zend_error(E_ERROR, "Could not queue new timer");
1286 		return;
1287 	}
1288 	EG(timed_out) = 0;
1289 #else
1290 #	ifdef HAVE_SETITIMER
1291 	{
1292 		struct itimerval t_r;		/* timeout requested */
1293 		int signo;
1294 
1295 		if(seconds) {
1296 			t_r.it_value.tv_sec = seconds;
1297 			t_r.it_value.tv_usec = t_r.it_interval.tv_sec = t_r.it_interval.tv_usec = 0;
1298 
1299 #	ifdef __CYGWIN__
1300 			setitimer(ITIMER_REAL, &t_r, NULL);
1301 		}
1302 		signo = SIGALRM;
1303 #	else
1304 			setitimer(ITIMER_PROF, &t_r, NULL);
1305 		}
1306 		signo = SIGPROF;
1307 #	endif
1308 
1309 		if (reset_signals) {
1310 #	ifdef ZEND_SIGNALS
1311 			zend_signal(signo, zend_timeout TSRMLS_CC);
1312 #	else
1313 			sigset_t sigset;
1314 
1315 			signal(signo, zend_timeout);
1316 			sigemptyset(&sigset);
1317 			sigaddset(&sigset, signo);
1318 			sigprocmask(SIG_UNBLOCK, &sigset, NULL);
1319 #	endif
1320 		}
1321 	}
1322 #	endif /* HAVE_SETITIMER */
1323 #endif
1324 }
1325 /* }}} */
1326 
zend_unset_timeout(TSRMLS_D)1327 void zend_unset_timeout(TSRMLS_D) /* {{{ */
1328 {
1329 #ifdef ZEND_WIN32
1330 	if (NULL != tq_timer) {
1331 		if (!DeleteTimerQueueTimer(NULL, tq_timer, NULL)) {
1332 			EG(timed_out) = 0;
1333 			tq_timer = NULL;
1334 			zend_error(E_ERROR, "Could not delete queued timer");
1335 			return;
1336 		}
1337 		tq_timer = NULL;
1338 	}
1339 	EG(timed_out) = 0;
1340 #else
1341 #	ifdef HAVE_SETITIMER
1342 	if (EG(timeout_seconds)) {
1343 		struct itimerval no_timeout;
1344 
1345 		no_timeout.it_value.tv_sec = no_timeout.it_value.tv_usec = no_timeout.it_interval.tv_sec = no_timeout.it_interval.tv_usec = 0;
1346 
1347 #ifdef __CYGWIN__
1348 		setitimer(ITIMER_REAL, &no_timeout, NULL);
1349 #else
1350 		setitimer(ITIMER_PROF, &no_timeout, NULL);
1351 #endif
1352 	}
1353 #	endif
1354 #endif
1355 }
1356 /* }}} */
1357 
zend_fetch_class(const char * class_name,uint class_name_len,int fetch_type TSRMLS_DC)1358 zend_class_entry *zend_fetch_class(const char *class_name, uint class_name_len, int fetch_type TSRMLS_DC) /* {{{ */
1359 {
1360 	zend_class_entry **pce;
1361 	int use_autoload = (fetch_type & ZEND_FETCH_CLASS_NO_AUTOLOAD) == 0;
1362 	int silent       = (fetch_type & ZEND_FETCH_CLASS_SILENT) != 0;
1363 
1364 	fetch_type &= ZEND_FETCH_CLASS_MASK;
1365 
1366 check_fetch_type:
1367 	switch (fetch_type) {
1368 		case ZEND_FETCH_CLASS_SELF:
1369 			if (!EG(scope)) {
1370 				zend_error(E_ERROR, "Cannot access self:: when no class scope is active");
1371 			}
1372 			return EG(scope);
1373 		case ZEND_FETCH_CLASS_PARENT:
1374 			if (!EG(scope)) {
1375 				zend_error(E_ERROR, "Cannot access parent:: when no class scope is active");
1376 			}
1377 			if (!EG(scope)->parent) {
1378 				zend_error(E_ERROR, "Cannot access parent:: when current class scope has no parent");
1379 			}
1380 			return EG(scope)->parent;
1381 		case ZEND_FETCH_CLASS_STATIC:
1382 			if (!EG(called_scope)) {
1383 				zend_error(E_ERROR, "Cannot access static:: when no class scope is active");
1384 			}
1385 			return EG(called_scope);
1386 		case ZEND_FETCH_CLASS_AUTO: {
1387 				fetch_type = zend_get_class_fetch_type(class_name, class_name_len);
1388 				if (fetch_type!=ZEND_FETCH_CLASS_DEFAULT) {
1389 					goto check_fetch_type;
1390 				}
1391 			}
1392 			break;
1393 	}
1394 
1395 	if (zend_lookup_class_ex(class_name, class_name_len, NULL, use_autoload, &pce TSRMLS_CC) == FAILURE) {
1396 		if (use_autoload) {
1397 			if (!silent && !EG(exception)) {
1398 				if (fetch_type == ZEND_FETCH_CLASS_INTERFACE) {
1399 					zend_error(E_ERROR, "Interface '%s' not found", class_name);
1400 				} else if (fetch_type == ZEND_FETCH_CLASS_TRAIT) {
1401                 	zend_error(E_ERROR, "Trait '%s' not found", class_name);
1402                 } else {
1403 					zend_error(E_ERROR, "Class '%s' not found", class_name);
1404 				}
1405 			}
1406 		}
1407 		return NULL;
1408 	}
1409 	return *pce;
1410 }
1411 /* }}} */
1412 
zend_fetch_class_by_name(const char * class_name,uint class_name_len,const zend_literal * key,int fetch_type TSRMLS_DC)1413 zend_class_entry *zend_fetch_class_by_name(const char *class_name, uint class_name_len, const zend_literal *key, int fetch_type TSRMLS_DC) /* {{{ */
1414 {
1415 	zend_class_entry **pce;
1416 	int use_autoload = (fetch_type & ZEND_FETCH_CLASS_NO_AUTOLOAD) == 0;
1417 
1418 	if (zend_lookup_class_ex(class_name, class_name_len, key, use_autoload, &pce TSRMLS_CC) == FAILURE) {
1419 		if (use_autoload) {
1420 			if ((fetch_type & ZEND_FETCH_CLASS_SILENT) == 0 && !EG(exception)) {
1421 				if ((fetch_type & ZEND_FETCH_CLASS_MASK) == ZEND_FETCH_CLASS_INTERFACE) {
1422 					zend_error(E_ERROR, "Interface '%s' not found", class_name);
1423 				} else if ((fetch_type & ZEND_FETCH_CLASS_MASK) == ZEND_FETCH_CLASS_TRAIT) {
1424 					zend_error(E_ERROR, "Trait '%s' not found", class_name);
1425 				} else {
1426 					zend_error(E_ERROR, "Class '%s' not found", class_name);
1427 				}
1428 			}
1429 		}
1430 		return NULL;
1431 	}
1432 	return *pce;
1433 }
1434 /* }}} */
1435 
1436 #define MAX_ABSTRACT_INFO_CNT 3
1437 #define MAX_ABSTRACT_INFO_FMT "%s%s%s%s"
1438 #define DISPLAY_ABSTRACT_FN(idx) \
1439 	ai.afn[idx] ? ZEND_FN_SCOPE_NAME(ai.afn[idx]) : "", \
1440 	ai.afn[idx] ? "::" : "", \
1441 	ai.afn[idx] ? ai.afn[idx]->common.function_name : "", \
1442 	ai.afn[idx] && ai.afn[idx + 1] ? ", " : (ai.afn[idx] && ai.cnt > MAX_ABSTRACT_INFO_CNT ? ", ..." : "")
1443 
1444 typedef struct _zend_abstract_info {
1445 	zend_function *afn[MAX_ABSTRACT_INFO_CNT + 1];
1446 	int cnt;
1447 	int ctor;
1448 } zend_abstract_info;
1449 
zend_verify_abstract_class_function(zend_function * fn,zend_abstract_info * ai TSRMLS_DC)1450 static int zend_verify_abstract_class_function(zend_function *fn, zend_abstract_info *ai TSRMLS_DC) /* {{{ */
1451 {
1452 	if (fn->common.fn_flags & ZEND_ACC_ABSTRACT) {
1453 		if (ai->cnt < MAX_ABSTRACT_INFO_CNT) {
1454 			ai->afn[ai->cnt] = fn;
1455 		}
1456 		if (fn->common.fn_flags & ZEND_ACC_CTOR) {
1457 			if (!ai->ctor) {
1458 				ai->cnt++;
1459 				ai->ctor = 1;
1460 			} else {
1461 				ai->afn[ai->cnt] = NULL;
1462 			}
1463 		} else {
1464 			ai->cnt++;
1465 		}
1466 	}
1467 	return 0;
1468 }
1469 /* }}} */
1470 
zend_verify_abstract_class(zend_class_entry * ce TSRMLS_DC)1471 void zend_verify_abstract_class(zend_class_entry *ce TSRMLS_DC) /* {{{ */
1472 {
1473 	zend_abstract_info ai;
1474 
1475 	if ((ce->ce_flags & ZEND_ACC_IMPLICIT_ABSTRACT_CLASS) && !(ce->ce_flags & ZEND_ACC_EXPLICIT_ABSTRACT_CLASS)) {
1476 		memset(&ai, 0, sizeof(ai));
1477 
1478 		zend_hash_apply_with_argument(&ce->function_table, (apply_func_arg_t) zend_verify_abstract_class_function, &ai TSRMLS_CC);
1479 
1480 		if (ai.cnt) {
1481 			zend_error(E_ERROR, "Class %s contains %d abstract method%s and must therefore be declared abstract or implement the remaining methods (" MAX_ABSTRACT_INFO_FMT MAX_ABSTRACT_INFO_FMT MAX_ABSTRACT_INFO_FMT ")",
1482 				ce->name, ai.cnt,
1483 				ai.cnt > 1 ? "s" : "",
1484 				DISPLAY_ABSTRACT_FN(0),
1485 				DISPLAY_ABSTRACT_FN(1),
1486 				DISPLAY_ABSTRACT_FN(2)
1487 				);
1488 		}
1489 	}
1490 }
1491 /* }}} */
1492 
zend_reset_all_cv(HashTable * symbol_table TSRMLS_DC)1493 ZEND_API void zend_reset_all_cv(HashTable *symbol_table TSRMLS_DC) /* {{{ */
1494 {
1495 	zend_execute_data *ex;
1496 	int i;
1497 
1498 	for (ex = EG(current_execute_data); ex; ex = ex->prev_execute_data) {
1499 		if (ex->op_array && ex->symbol_table == symbol_table) {
1500 			for (i = 0; i < ex->op_array->last_var; i++) {
1501 				*EX_CV_NUM(ex, i) = NULL;
1502 			}
1503 		}
1504 	}
1505 }
1506 /* }}} */
1507 
zend_delete_variable(zend_execute_data * ex,HashTable * ht,const char * name,int name_len,ulong hash_value TSRMLS_DC)1508 ZEND_API void zend_delete_variable(zend_execute_data *ex, HashTable *ht, const char *name, int name_len, ulong hash_value TSRMLS_DC) /* {{{ */
1509 {
1510 	if (zend_hash_quick_del(ht, name, name_len, hash_value) == SUCCESS) {
1511 		name_len--;
1512 		while (ex && ex->symbol_table == ht) {
1513 			int i;
1514 
1515 			if (ex->op_array) {
1516 				for (i = 0; i < ex->op_array->last_var; i++) {
1517 					if (ex->op_array->vars[i].hash_value == hash_value &&
1518 						ex->op_array->vars[i].name_len == name_len &&
1519 						!memcmp(ex->op_array->vars[i].name, name, name_len)) {
1520 						*EX_CV_NUM(ex, i) = NULL;
1521 						break;
1522 					}
1523 				}
1524 			}
1525 			ex = ex->prev_execute_data;
1526 		}
1527 	}
1528 }
1529 /* }}} */
1530 
zend_delete_global_variable_ex(const char * name,int name_len,ulong hash_value TSRMLS_DC)1531 ZEND_API int zend_delete_global_variable_ex(const char *name, int name_len, ulong hash_value TSRMLS_DC) /* {{{ */
1532 {
1533 	zend_execute_data *ex;
1534 
1535 	if (zend_hash_quick_exists(&EG(symbol_table), name, name_len + 1, hash_value)) {
1536 		for (ex = EG(current_execute_data); ex; ex = ex->prev_execute_data) {
1537 			if (ex->op_array && ex->symbol_table == &EG(symbol_table)) {
1538 				int i;
1539 				for (i = 0; i < ex->op_array->last_var; i++) {
1540 					if (ex->op_array->vars[i].hash_value == hash_value &&
1541 						ex->op_array->vars[i].name_len == name_len &&
1542 						!memcmp(ex->op_array->vars[i].name, name, name_len)
1543 					) {
1544 						*EX_CV_NUM(ex, i) = NULL;
1545 						break;
1546 					}
1547 				}
1548 			}
1549 		}
1550 		return zend_hash_quick_del(&EG(symbol_table), name, name_len + 1, hash_value);
1551 	}
1552 	return FAILURE;
1553 }
1554 /* }}} */
1555 
zend_delete_global_variable(const char * name,int name_len TSRMLS_DC)1556 ZEND_API int zend_delete_global_variable(const char *name, int name_len TSRMLS_DC) /* {{{ */
1557 {
1558 	return zend_delete_global_variable_ex(name, name_len, zend_inline_hash_func(name, name_len + 1) TSRMLS_CC);
1559 }
1560 /* }}} */
1561 
zend_rebuild_symbol_table(TSRMLS_D)1562 ZEND_API void zend_rebuild_symbol_table(TSRMLS_D) /* {{{ */
1563 {
1564 	zend_uint i;
1565 	zend_execute_data *ex;
1566 
1567 	if (!EG(active_symbol_table)) {
1568 
1569 		/* Search for last called user function */
1570 		ex = EG(current_execute_data);
1571 		while (ex && !ex->op_array) {
1572 			ex = ex->prev_execute_data;
1573 		}
1574 		if (ex && ex->symbol_table) {
1575 			EG(active_symbol_table) = ex->symbol_table;
1576 			return;
1577 		}
1578 
1579 		if (ex && ex->op_array) {
1580 			if (EG(symtable_cache_ptr)>=EG(symtable_cache)) {
1581 				/*printf("Cache hit!  Reusing %x\n", symtable_cache[symtable_cache_ptr]);*/
1582 				EG(active_symbol_table) = *(EG(symtable_cache_ptr)--);
1583 			} else {
1584 				ALLOC_HASHTABLE(EG(active_symbol_table));
1585 				zend_hash_init(EG(active_symbol_table), ex->op_array->last_var, NULL, ZVAL_PTR_DTOR, 0);
1586 				/*printf("Cache miss!  Initialized %x\n", EG(active_symbol_table));*/
1587 			}
1588 			ex->symbol_table = EG(active_symbol_table);
1589 			for (i = 0; i < ex->op_array->last_var; i++) {
1590 				if (*EX_CV_NUM(ex, i)) {
1591 					if (UNEXPECTED(**EX_CV_NUM(ex, i) == &EG(uninitialized_zval))) {
1592 						Z_DELREF(EG(uninitialized_zval));
1593 						ALLOC_INIT_ZVAL(**EX_CV_NUM(ex, i));
1594 					}
1595 					zend_hash_quick_update(EG(active_symbol_table),
1596 						ex->op_array->vars[i].name,
1597 						ex->op_array->vars[i].name_len + 1,
1598 						ex->op_array->vars[i].hash_value,
1599 						(void**)*EX_CV_NUM(ex, i),
1600 						sizeof(zval*),
1601 						(void**)EX_CV_NUM(ex, i));
1602 				}
1603 			}
1604 		}
1605 	}
1606 }
1607 /* }}} */
1608 
1609 /*
1610  * Local variables:
1611  * tab-width: 4
1612  * c-basic-offset: 4
1613  * indent-tabs-mode: t
1614  * End:
1615  */
1616