xref: /PHP-7.4/ext/spl/php_spl.c (revision c0e9b153)
1 /*
2    +----------------------------------------------------------------------+
3    | PHP Version 7                                                        |
4    +----------------------------------------------------------------------+
5    | Copyright (c) The PHP Group                                          |
6    +----------------------------------------------------------------------+
7    | This source file is subject to version 3.01 of the PHP 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.php.net/license/3_01.txt                                  |
11    | If you did not receive a copy of the PHP license and are unable to   |
12    | obtain it through the world-wide-web, please send a note to          |
13    | license@php.net so we can mail you a copy immediately.               |
14    +----------------------------------------------------------------------+
15    | Authors: Marcus Boerger <helly@php.net>                              |
16    +----------------------------------------------------------------------+
17  */
18 
19 #ifdef HAVE_CONFIG_H
20 #include "config.h"
21 #endif
22 
23 #include "php.h"
24 #include "php_ini.h"
25 #include "php_main.h"
26 #include "ext/standard/info.h"
27 #include "php_spl.h"
28 #include "spl_functions.h"
29 #include "spl_engine.h"
30 #include "spl_array.h"
31 #include "spl_directory.h"
32 #include "spl_iterators.h"
33 #include "spl_exceptions.h"
34 #include "spl_observer.h"
35 #include "spl_dllist.h"
36 #include "spl_fixedarray.h"
37 #include "spl_heap.h"
38 #include "zend_exceptions.h"
39 #include "zend_interfaces.h"
40 #include "ext/standard/php_mt_rand.h"
41 #include "main/snprintf.h"
42 
43 #ifdef COMPILE_DL_SPL
44 ZEND_GET_MODULE(spl)
45 #endif
46 
47 ZEND_DECLARE_MODULE_GLOBALS(spl)
48 
49 #define SPL_DEFAULT_FILE_EXTENSIONS ".inc,.php"
50 
51 static zend_function *spl_autoload_fn = NULL;
52 static zend_function *spl_autoload_call_fn = NULL;
53 
54 /* {{{ PHP_GINIT_FUNCTION
55  */
PHP_GINIT_FUNCTION(spl)56 static PHP_GINIT_FUNCTION(spl)
57 {
58 	spl_globals->autoload_extensions     = NULL;
59 	spl_globals->autoload_functions      = NULL;
60 	spl_globals->autoload_running        = 0;
61 }
62 /* }}} */
63 
spl_find_ce_by_name(zend_string * name,zend_bool autoload)64 static zend_class_entry * spl_find_ce_by_name(zend_string *name, zend_bool autoload)
65 {
66 	zend_class_entry *ce;
67 
68 	if (!autoload) {
69 		zend_string *lc_name = zend_string_tolower(name);
70 
71 		ce = zend_hash_find_ptr(EG(class_table), lc_name);
72 		zend_string_release(lc_name);
73 	} else {
74  		ce = zend_lookup_class(name);
75  	}
76  	if (ce == NULL) {
77 		php_error_docref(NULL, E_WARNING, "Class %s does not exist%s", ZSTR_VAL(name), autoload ? " and could not be loaded" : "");
78 		return NULL;
79 	}
80 
81 	return ce;
82 }
83 
84 /* {{{ proto array class_parents(object instance [, bool autoload = true])
85  Return an array containing the names of all parent classes */
PHP_FUNCTION(class_parents)86 PHP_FUNCTION(class_parents)
87 {
88 	zval *obj;
89 	zend_class_entry *parent_class, *ce;
90 	zend_bool autoload = 1;
91 
92 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "z|b", &obj, &autoload) == FAILURE) {
93 		RETURN_FALSE;
94 	}
95 
96 	if (Z_TYPE_P(obj) != IS_OBJECT && Z_TYPE_P(obj) != IS_STRING) {
97 		php_error_docref(NULL, E_WARNING, "object or string expected");
98 		RETURN_FALSE;
99 	}
100 
101 	if (Z_TYPE_P(obj) == IS_STRING) {
102 		if (NULL == (ce = spl_find_ce_by_name(Z_STR_P(obj), autoload))) {
103 			RETURN_FALSE;
104 		}
105 	} else {
106 		ce = Z_OBJCE_P(obj);
107 	}
108 
109 	array_init(return_value);
110 	parent_class = ce->parent;
111 	while (parent_class) {
112 		spl_add_class_name(return_value, parent_class, 0, 0);
113 		parent_class = parent_class->parent;
114 	}
115 }
116 /* }}} */
117 
118 /* {{{ proto array class_implements(mixed what [, bool autoload ])
119  Return all classes and interfaces implemented by SPL */
PHP_FUNCTION(class_implements)120 PHP_FUNCTION(class_implements)
121 {
122 	zval *obj;
123 	zend_bool autoload = 1;
124 	zend_class_entry *ce;
125 
126 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "z|b", &obj, &autoload) == FAILURE) {
127 		RETURN_FALSE;
128 	}
129 	if (Z_TYPE_P(obj) != IS_OBJECT && Z_TYPE_P(obj) != IS_STRING) {
130 		php_error_docref(NULL, E_WARNING, "object or string expected");
131 		RETURN_FALSE;
132 	}
133 
134 	if (Z_TYPE_P(obj) == IS_STRING) {
135 		if (NULL == (ce = spl_find_ce_by_name(Z_STR_P(obj), autoload))) {
136 			RETURN_FALSE;
137 		}
138 	} else {
139 		ce = Z_OBJCE_P(obj);
140 	}
141 
142 	array_init(return_value);
143 	spl_add_interfaces(return_value, ce, 1, ZEND_ACC_INTERFACE);
144 }
145 /* }}} */
146 
147 /* {{{ proto array class_uses(mixed what [, bool autoload ])
148  Return all traits used by a class. */
PHP_FUNCTION(class_uses)149 PHP_FUNCTION(class_uses)
150 {
151 	zval *obj;
152 	zend_bool autoload = 1;
153 	zend_class_entry *ce;
154 
155 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "z|b", &obj, &autoload) == FAILURE) {
156 		RETURN_FALSE;
157 	}
158 	if (Z_TYPE_P(obj) != IS_OBJECT && Z_TYPE_P(obj) != IS_STRING) {
159 		php_error_docref(NULL, E_WARNING, "object or string expected");
160 		RETURN_FALSE;
161 	}
162 
163 	if (Z_TYPE_P(obj) == IS_STRING) {
164 		if (NULL == (ce = spl_find_ce_by_name(Z_STR_P(obj), autoload))) {
165 			RETURN_FALSE;
166 		}
167 	} else {
168 		ce = Z_OBJCE_P(obj);
169 	}
170 
171 	array_init(return_value);
172 	spl_add_traits(return_value, ce, 1, ZEND_ACC_TRAIT);
173 }
174 /* }}} */
175 
176 #define SPL_ADD_CLASS(class_name, z_list, sub, allow, ce_flags) \
177 	spl_add_classes(spl_ce_ ## class_name, z_list, sub, allow, ce_flags)
178 
179 #define SPL_LIST_CLASSES(z_list, sub, allow, ce_flags) \
180 	SPL_ADD_CLASS(AppendIterator, z_list, sub, allow, ce_flags); \
181 	SPL_ADD_CLASS(ArrayIterator, z_list, sub, allow, ce_flags); \
182 	SPL_ADD_CLASS(ArrayObject, z_list, sub, allow, ce_flags); \
183 	SPL_ADD_CLASS(BadFunctionCallException, z_list, sub, allow, ce_flags); \
184 	SPL_ADD_CLASS(BadMethodCallException, z_list, sub, allow, ce_flags); \
185 	SPL_ADD_CLASS(CachingIterator, z_list, sub, allow, ce_flags); \
186 	SPL_ADD_CLASS(CallbackFilterIterator, z_list, sub, allow, ce_flags); \
187 	SPL_ADD_CLASS(DirectoryIterator, z_list, sub, allow, ce_flags); \
188 	SPL_ADD_CLASS(DomainException, z_list, sub, allow, ce_flags); \
189 	SPL_ADD_CLASS(EmptyIterator, z_list, sub, allow, ce_flags); \
190 	SPL_ADD_CLASS(FilesystemIterator, z_list, sub, allow, ce_flags); \
191 	SPL_ADD_CLASS(FilterIterator, z_list, sub, allow, ce_flags); \
192 	SPL_ADD_CLASS(GlobIterator, z_list, sub, allow, ce_flags); \
193 	SPL_ADD_CLASS(InfiniteIterator, z_list, sub, allow, ce_flags); \
194 	SPL_ADD_CLASS(InvalidArgumentException, z_list, sub, allow, ce_flags); \
195 	SPL_ADD_CLASS(IteratorIterator, z_list, sub, allow, ce_flags); \
196 	SPL_ADD_CLASS(LengthException, z_list, sub, allow, ce_flags); \
197 	SPL_ADD_CLASS(LimitIterator, z_list, sub, allow, ce_flags); \
198 	SPL_ADD_CLASS(LogicException, z_list, sub, allow, ce_flags); \
199 	SPL_ADD_CLASS(MultipleIterator, z_list, sub, allow, ce_flags); \
200 	SPL_ADD_CLASS(NoRewindIterator, z_list, sub, allow, ce_flags); \
201 	SPL_ADD_CLASS(OuterIterator, z_list, sub, allow, ce_flags); \
202 	SPL_ADD_CLASS(OutOfBoundsException, z_list, sub, allow, ce_flags); \
203 	SPL_ADD_CLASS(OutOfRangeException, z_list, sub, allow, ce_flags); \
204 	SPL_ADD_CLASS(OverflowException, z_list, sub, allow, ce_flags); \
205 	SPL_ADD_CLASS(ParentIterator, z_list, sub, allow, ce_flags); \
206 	SPL_ADD_CLASS(RangeException, z_list, sub, allow, ce_flags); \
207 	SPL_ADD_CLASS(RecursiveArrayIterator, z_list, sub, allow, ce_flags); \
208 	SPL_ADD_CLASS(RecursiveCachingIterator, z_list, sub, allow, ce_flags); \
209 	SPL_ADD_CLASS(RecursiveCallbackFilterIterator, z_list, sub, allow, ce_flags); \
210 	SPL_ADD_CLASS(RecursiveDirectoryIterator, z_list, sub, allow, ce_flags); \
211 	SPL_ADD_CLASS(RecursiveFilterIterator, z_list, sub, allow, ce_flags); \
212 	SPL_ADD_CLASS(RecursiveIterator, z_list, sub, allow, ce_flags); \
213 	SPL_ADD_CLASS(RecursiveIteratorIterator, z_list, sub, allow, ce_flags); \
214 	SPL_ADD_CLASS(RecursiveRegexIterator, z_list, sub, allow, ce_flags); \
215 	SPL_ADD_CLASS(RecursiveTreeIterator, z_list, sub, allow, ce_flags); \
216 	SPL_ADD_CLASS(RegexIterator, z_list, sub, allow, ce_flags); \
217 	SPL_ADD_CLASS(RuntimeException, z_list, sub, allow, ce_flags); \
218 	SPL_ADD_CLASS(SeekableIterator, z_list, sub, allow, ce_flags); \
219 	SPL_ADD_CLASS(SplDoublyLinkedList, z_list, sub, allow, ce_flags); \
220 	SPL_ADD_CLASS(SplFileInfo, z_list, sub, allow, ce_flags); \
221 	SPL_ADD_CLASS(SplFileObject, z_list, sub, allow, ce_flags); \
222 	SPL_ADD_CLASS(SplFixedArray, z_list, sub, allow, ce_flags); \
223 	SPL_ADD_CLASS(SplHeap, z_list, sub, allow, ce_flags); \
224 	SPL_ADD_CLASS(SplMinHeap, z_list, sub, allow, ce_flags); \
225 	SPL_ADD_CLASS(SplMaxHeap, z_list, sub, allow, ce_flags); \
226 	SPL_ADD_CLASS(SplObjectStorage, z_list, sub, allow, ce_flags); \
227 	SPL_ADD_CLASS(SplObserver, z_list, sub, allow, ce_flags); \
228 	SPL_ADD_CLASS(SplPriorityQueue, z_list, sub, allow, ce_flags); \
229 	SPL_ADD_CLASS(SplQueue, z_list, sub, allow, ce_flags); \
230 	SPL_ADD_CLASS(SplStack, z_list, sub, allow, ce_flags); \
231 	SPL_ADD_CLASS(SplSubject, z_list, sub, allow, ce_flags); \
232 	SPL_ADD_CLASS(SplTempFileObject, z_list, sub, allow, ce_flags); \
233 	SPL_ADD_CLASS(UnderflowException, z_list, sub, allow, ce_flags); \
234 	SPL_ADD_CLASS(UnexpectedValueException, z_list, sub, allow, ce_flags); \
235 
236 /* {{{ proto array spl_classes()
237  Return an array containing the names of all clsses and interfaces defined in SPL */
PHP_FUNCTION(spl_classes)238 PHP_FUNCTION(spl_classes)
239 {
240 	if (zend_parse_parameters_none() == FAILURE) {
241 		return;
242 	}
243 
244 	array_init(return_value);
245 
246 	SPL_LIST_CLASSES(return_value, 0, 0, 0)
247 }
248 /* }}} */
249 
spl_autoload(zend_string * class_name,zend_string * lc_name,const char * ext,int ext_len)250 static int spl_autoload(zend_string *class_name, zend_string *lc_name, const char *ext, int ext_len) /* {{{ */
251 {
252 	char *class_file;
253 	int class_file_len;
254 	zval dummy;
255 	zend_file_handle file_handle;
256 	zend_op_array *new_op_array;
257 	zval result;
258 	int ret;
259 
260 	class_file_len = (int)spprintf(&class_file, 0, "%s%.*s", ZSTR_VAL(lc_name), ext_len, ext);
261 
262 #if DEFAULT_SLASH != '\\'
263 	{
264 		char *ptr = class_file;
265 		char *end = ptr + class_file_len;
266 
267 		while ((ptr = memchr(ptr, '\\', (end - ptr))) != NULL) {
268 			*ptr = DEFAULT_SLASH;
269 		}
270 	}
271 #endif
272 
273 	ret = php_stream_open_for_zend_ex(class_file, &file_handle, USE_PATH|STREAM_OPEN_FOR_INCLUDE);
274 
275 	if (ret == SUCCESS) {
276 		zend_string *opened_path;
277 		if (!file_handle.opened_path) {
278 			file_handle.opened_path = zend_string_init(class_file, class_file_len, 0);
279 		}
280 		opened_path = zend_string_copy(file_handle.opened_path);
281 		ZVAL_NULL(&dummy);
282 		if (zend_hash_add(&EG(included_files), opened_path, &dummy)) {
283 			new_op_array = zend_compile_file(&file_handle, ZEND_REQUIRE);
284 			zend_destroy_file_handle(&file_handle);
285 		} else {
286 			new_op_array = NULL;
287 			zend_file_handle_dtor(&file_handle);
288 		}
289 		zend_string_release_ex(opened_path, 0);
290 		if (new_op_array) {
291 			ZVAL_UNDEF(&result);
292 			zend_execute(new_op_array, &result);
293 
294 			destroy_op_array(new_op_array);
295 			efree(new_op_array);
296 			if (!EG(exception)) {
297 				zval_ptr_dtor(&result);
298 			}
299 
300 			efree(class_file);
301 			return zend_hash_exists(EG(class_table), lc_name);
302 		}
303 	}
304 	efree(class_file);
305 	return 0;
306 } /* }}} */
307 
308 /* {{{ proto void spl_autoload(string class_name [, string file_extensions])
309  Default implementation for __autoload() */
PHP_FUNCTION(spl_autoload)310 PHP_FUNCTION(spl_autoload)
311 {
312 	int pos_len, pos1_len;
313 	char *pos, *pos1;
314 	zend_string *class_name, *lc_name, *file_exts = SPL_G(autoload_extensions);
315 
316 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "S|S", &class_name, &file_exts) == FAILURE) {
317 		RETURN_FALSE;
318 	}
319 
320 	if (file_exts == NULL) { /* autoload_extensions is not initialized, set to defaults */
321 		pos = SPL_DEFAULT_FILE_EXTENSIONS;
322 		pos_len = sizeof(SPL_DEFAULT_FILE_EXTENSIONS) - 1;
323 	} else {
324 		pos = ZSTR_VAL(file_exts);
325 		pos_len = (int)ZSTR_LEN(file_exts);
326 	}
327 
328 	lc_name = zend_string_tolower(class_name);
329 	while (pos && *pos && !EG(exception)) {
330 		pos1 = strchr(pos, ',');
331 		if (pos1) {
332 			pos1_len = (int)(pos1 - pos);
333 		} else {
334 			pos1_len = pos_len;
335 		}
336 		if (spl_autoload(class_name, lc_name, pos, pos1_len)) {
337 			break; /* loaded */
338 		}
339 		pos = pos1 ? pos1 + 1 : NULL;
340 		pos_len = pos1? pos_len - pos1_len - 1 : 0;
341 	}
342 	zend_string_release(lc_name);
343 } /* }}} */
344 
345 /* {{{ proto string spl_autoload_extensions([string file_extensions])
346  Register and return default file extensions for spl_autoload */
PHP_FUNCTION(spl_autoload_extensions)347 PHP_FUNCTION(spl_autoload_extensions)
348 {
349 	zend_string *file_exts = NULL;
350 
351 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|S", &file_exts) == FAILURE) {
352 		return;
353 	}
354 	if (file_exts) {
355 		if (SPL_G(autoload_extensions)) {
356 			zend_string_release_ex(SPL_G(autoload_extensions), 0);
357 		}
358 		SPL_G(autoload_extensions) = zend_string_copy(file_exts);
359 	}
360 
361 	if (SPL_G(autoload_extensions) == NULL) {
362 		RETURN_STRINGL(SPL_DEFAULT_FILE_EXTENSIONS, sizeof(SPL_DEFAULT_FILE_EXTENSIONS) - 1);
363 	} else {
364 		zend_string_addref(SPL_G(autoload_extensions));
365 		RETURN_STR(SPL_G(autoload_extensions));
366 	}
367 } /* }}} */
368 
369 typedef struct {
370 	zend_function *func_ptr;
371 	zval obj;
372 	zval closure;
373 	zend_class_entry *ce;
374 } autoload_func_info;
375 
autoload_func_info_dtor(zval * element)376 static void autoload_func_info_dtor(zval *element)
377 {
378 	autoload_func_info *alfi = (autoload_func_info*)Z_PTR_P(element);
379 	if (!Z_ISUNDEF(alfi->obj)) {
380 		zval_ptr_dtor(&alfi->obj);
381 	}
382 	if (alfi->func_ptr &&
383 		UNEXPECTED(alfi->func_ptr->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE)) {
384 		zend_string_release_ex(alfi->func_ptr->common.function_name, 0);
385 		zend_free_trampoline(alfi->func_ptr);
386 	}
387 	if (!Z_ISUNDEF(alfi->closure)) {
388 		zval_ptr_dtor(&alfi->closure);
389 	}
390 	efree(alfi);
391 }
392 
393 /* {{{ proto void spl_autoload_call(string class_name)
394  Try all registered autoload function to load the requested class */
PHP_FUNCTION(spl_autoload_call)395 PHP_FUNCTION(spl_autoload_call)
396 {
397 	zval *class_name, retval;
398 	zend_string *lc_name, *func_name;
399 	autoload_func_info *alfi;
400 
401 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "z", &class_name) == FAILURE || Z_TYPE_P(class_name) != IS_STRING) {
402 		return;
403 	}
404 
405 	if (SPL_G(autoload_functions)) {
406 		HashPosition pos;
407 		zend_ulong num_idx;
408 		zend_function *func;
409 		zend_fcall_info fci;
410 		zend_fcall_info_cache fcic;
411 		zend_class_entry *called_scope = zend_get_called_scope(execute_data);
412 		int l_autoload_running = SPL_G(autoload_running);
413 
414 		SPL_G(autoload_running) = 1;
415 		lc_name = zend_string_tolower(Z_STR_P(class_name));
416 
417 		fci.size = sizeof(fci);
418 		fci.retval = &retval;
419 		fci.param_count = 1;
420 		fci.params = class_name;
421 		fci.no_separation = 1;
422 
423 		ZVAL_UNDEF(&fci.function_name); /* Unused */
424 
425 		zend_hash_internal_pointer_reset_ex(SPL_G(autoload_functions), &pos);
426 		while (zend_hash_get_current_key_ex(SPL_G(autoload_functions), &func_name, &num_idx, &pos) == HASH_KEY_IS_STRING) {
427 			alfi = zend_hash_get_current_data_ptr_ex(SPL_G(autoload_functions), &pos);
428 			func = alfi->func_ptr;
429 			if (UNEXPECTED(func->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE)) {
430 				func = emalloc(sizeof(zend_op_array));
431 				memcpy(func, alfi->func_ptr, sizeof(zend_op_array));
432 				zend_string_addref(func->op_array.function_name);
433 			}
434 			ZVAL_UNDEF(&retval);
435 			fcic.function_handler = func;
436 			if (Z_ISUNDEF(alfi->obj)) {
437 				fci.object = NULL;
438 				fcic.object = NULL;
439 				if (alfi->ce &&
440 				    (!called_scope ||
441 				     !instanceof_function(called_scope, alfi->ce))) {
442 					fcic.called_scope = alfi->ce;
443 				} else {
444 					fcic.called_scope = called_scope;
445 				}
446 			} else {
447 				fci.object = Z_OBJ(alfi->obj);
448 				fcic.object = Z_OBJ(alfi->obj);
449 				fcic.called_scope = Z_OBJCE(alfi->obj);
450 			}
451 
452 			zend_call_function(&fci, &fcic);
453 			zval_ptr_dtor(&retval);
454 
455 			if (EG(exception)) {
456 				break;
457 			}
458 
459 			if (pos + 1 == SPL_G(autoload_functions)->nNumUsed ||
460 			    zend_hash_exists(EG(class_table), lc_name)) {
461 				break;
462 			}
463 			zend_hash_move_forward_ex(SPL_G(autoload_functions), &pos);
464 		}
465 		zend_string_release_ex(lc_name, 0);
466 		SPL_G(autoload_running) = l_autoload_running;
467 	} else {
468 		/* do not use or overwrite &EG(autoload_func) here */
469 		zend_fcall_info fcall_info;
470 		zend_fcall_info_cache fcall_cache;
471 
472 		ZVAL_UNDEF(&retval);
473 
474 		fcall_info.size = sizeof(fcall_info);
475 		ZVAL_UNDEF(&fcall_info.function_name);
476 		fcall_info.retval = &retval;
477 		fcall_info.param_count = 1;
478 		fcall_info.params = class_name;
479 		fcall_info.object = NULL;
480 		fcall_info.no_separation = 1;
481 
482 		fcall_cache.function_handler = spl_autoload_fn;
483 		fcall_cache.called_scope = NULL;
484 		fcall_cache.object = NULL;
485 
486 		zend_call_function(&fcall_info, &fcall_cache);
487 		zval_ptr_dtor(&retval);
488 	}
489 } /* }}} */
490 
491 #define HT_MOVE_TAIL_TO_HEAD(ht)						        \
492 	do {												        \
493 		Bucket tmp = (ht)->arData[(ht)->nNumUsed-1];				\
494 		memmove((ht)->arData + 1, (ht)->arData,					\
495 			sizeof(Bucket) * ((ht)->nNumUsed - 1));				\
496 		(ht)->arData[0] = tmp;									\
497 		zend_hash_rehash(ht);						        	\
498 	} while (0)
499 
500 /* {{{ proto bool spl_autoload_register([mixed autoload_function [, bool throw [, bool prepend]]])
501  Register given function as __autoload() implementation */
PHP_FUNCTION(spl_autoload_register)502 PHP_FUNCTION(spl_autoload_register)
503 {
504 	zend_string *func_name;
505 	char *error = NULL;
506 	zend_string *lc_name;
507 	zval *zcallable = NULL;
508 	zend_bool do_throw = 1;
509 	zend_bool prepend  = 0;
510 	zend_function *spl_func_ptr;
511 	autoload_func_info alfi;
512 	zend_object *obj_ptr;
513 	zend_fcall_info_cache fcc;
514 
515 	if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS(), "|zbb", &zcallable, &do_throw, &prepend) == FAILURE) {
516 		return;
517 	}
518 
519 	if (ZEND_NUM_ARGS()) {
520 		if (!zend_is_callable_ex(zcallable, NULL, IS_CALLABLE_STRICT, &func_name, &fcc, &error)) {
521 			alfi.ce = fcc.calling_scope;
522 			alfi.func_ptr = fcc.function_handler;
523 			obj_ptr = fcc.object;
524 			if (Z_TYPE_P(zcallable) == IS_ARRAY) {
525 				if (!obj_ptr && alfi.func_ptr && !(alfi.func_ptr->common.fn_flags & ZEND_ACC_STATIC)) {
526 					if (do_throw) {
527 						zend_throw_exception_ex(spl_ce_LogicException, 0, "Passed array specifies a non static method but no object (%s)", error);
528 					}
529 					if (error) {
530 						efree(error);
531 					}
532 					zend_string_release_ex(func_name, 0);
533 					RETURN_FALSE;
534 				} else if (do_throw) {
535 					zend_throw_exception_ex(spl_ce_LogicException, 0, "Passed array does not specify %s %smethod (%s)", alfi.func_ptr ? "a callable" : "an existing", !obj_ptr ? "static " : "", error);
536 				}
537 				if (error) {
538 					efree(error);
539 				}
540 				zend_string_release_ex(func_name, 0);
541 				RETURN_FALSE;
542 			} else if (Z_TYPE_P(zcallable) == IS_STRING) {
543 				if (do_throw) {
544 					zend_throw_exception_ex(spl_ce_LogicException, 0, "Function '%s' not %s (%s)", ZSTR_VAL(func_name), alfi.func_ptr ? "callable" : "found", error);
545 				}
546 				if (error) {
547 					efree(error);
548 				}
549 				zend_string_release_ex(func_name, 0);
550 				RETURN_FALSE;
551 			} else {
552 				if (do_throw) {
553 					zend_throw_exception_ex(spl_ce_LogicException, 0, "Illegal value passed (%s)", error);
554 				}
555 				if (error) {
556 					efree(error);
557 				}
558 				zend_string_release_ex(func_name, 0);
559 				RETURN_FALSE;
560 			}
561 		} else if (fcc.function_handler->type == ZEND_INTERNAL_FUNCTION &&
562 				   fcc.function_handler->internal_function.handler == zif_spl_autoload_call) {
563 			if (do_throw) {
564 				zend_throw_exception_ex(spl_ce_LogicException, 0, "Function spl_autoload_call() cannot be registered");
565 			}
566 			if (error) {
567 				efree(error);
568 			}
569 			zend_string_release_ex(func_name, 0);
570 			RETURN_FALSE;
571 		}
572 		alfi.ce = fcc.calling_scope;
573 		alfi.func_ptr = fcc.function_handler;
574 		obj_ptr = fcc.object;
575 		if (error) {
576 			efree(error);
577 		}
578 
579 		if (Z_TYPE_P(zcallable) == IS_OBJECT) {
580 			ZVAL_COPY(&alfi.closure, zcallable);
581 
582 			lc_name = zend_string_alloc(ZSTR_LEN(func_name) + sizeof(uint32_t), 0);
583 			zend_str_tolower_copy(ZSTR_VAL(lc_name), ZSTR_VAL(func_name), ZSTR_LEN(func_name));
584 			memcpy(ZSTR_VAL(lc_name) + ZSTR_LEN(func_name), &Z_OBJ_HANDLE_P(zcallable), sizeof(uint32_t));
585 			ZSTR_VAL(lc_name)[ZSTR_LEN(lc_name)] = '\0';
586 		} else {
587 			ZVAL_UNDEF(&alfi.closure);
588 			/* Skip leading \ */
589 			if (ZSTR_VAL(func_name)[0] == '\\') {
590 				lc_name = zend_string_alloc(ZSTR_LEN(func_name) - 1, 0);
591 				zend_str_tolower_copy(ZSTR_VAL(lc_name), ZSTR_VAL(func_name) + 1, ZSTR_LEN(func_name) - 1);
592 			} else {
593 				lc_name = zend_string_tolower(func_name);
594 			}
595 		}
596 		zend_string_release_ex(func_name, 0);
597 
598 		if (SPL_G(autoload_functions) && zend_hash_exists(SPL_G(autoload_functions), lc_name)) {
599 			if (!Z_ISUNDEF(alfi.closure)) {
600 				Z_DELREF_P(&alfi.closure);
601 			}
602 			goto skip;
603 		}
604 
605 		if (obj_ptr && !(alfi.func_ptr->common.fn_flags & ZEND_ACC_STATIC)) {
606 			/* add object id to the hash to ensure uniqueness, for more reference look at bug #40091 */
607 			lc_name = zend_string_extend(lc_name, ZSTR_LEN(lc_name) + sizeof(uint32_t), 0);
608 			memcpy(ZSTR_VAL(lc_name) + ZSTR_LEN(lc_name) - sizeof(uint32_t), &obj_ptr->handle, sizeof(uint32_t));
609 			ZSTR_VAL(lc_name)[ZSTR_LEN(lc_name)] = '\0';
610 			ZVAL_OBJ(&alfi.obj, obj_ptr);
611 			Z_ADDREF(alfi.obj);
612 		} else {
613 			ZVAL_UNDEF(&alfi.obj);
614 		}
615 
616 		if (!SPL_G(autoload_functions)) {
617 			ALLOC_HASHTABLE(SPL_G(autoload_functions));
618 			zend_hash_init(SPL_G(autoload_functions), 1, NULL, autoload_func_info_dtor, 0);
619 		}
620 
621 		spl_func_ptr = spl_autoload_fn;
622 
623 		if (EG(autoload_func) == spl_func_ptr) { /* registered already, so we insert that first */
624 			autoload_func_info spl_alfi;
625 
626 			spl_alfi.func_ptr = spl_func_ptr;
627 			ZVAL_UNDEF(&spl_alfi.obj);
628 			ZVAL_UNDEF(&spl_alfi.closure);
629 			spl_alfi.ce = NULL;
630 			zend_hash_add_mem(SPL_G(autoload_functions), spl_autoload_fn->common.function_name,
631 					&spl_alfi, sizeof(autoload_func_info));
632 			if (prepend && SPL_G(autoload_functions)->nNumOfElements > 1) {
633 				/* Move the newly created element to the head of the hashtable */
634 				HT_MOVE_TAIL_TO_HEAD(SPL_G(autoload_functions));
635 			}
636 		}
637 
638 		if (UNEXPECTED(alfi.func_ptr == &EG(trampoline))) {
639 			zend_function *copy = emalloc(sizeof(zend_op_array));
640 
641 			memcpy(copy, alfi.func_ptr, sizeof(zend_op_array));
642 			alfi.func_ptr->common.function_name = NULL;
643 			alfi.func_ptr = copy;
644 		}
645 		if (zend_hash_add_mem(SPL_G(autoload_functions), lc_name, &alfi, sizeof(autoload_func_info)) == NULL) {
646 			if (obj_ptr && !(alfi.func_ptr->common.fn_flags & ZEND_ACC_STATIC)) {
647 				Z_DELREF(alfi.obj);
648 			}
649 			if (!Z_ISUNDEF(alfi.closure)) {
650 				Z_DELREF(alfi.closure);
651 			}
652 			if (UNEXPECTED(alfi.func_ptr->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE)) {
653 				zend_string_release_ex(alfi.func_ptr->common.function_name, 0);
654 				zend_free_trampoline(alfi.func_ptr);
655 			}
656 		}
657 		if (prepend && SPL_G(autoload_functions)->nNumOfElements > 1) {
658 			/* Move the newly created element to the head of the hashtable */
659 			HT_MOVE_TAIL_TO_HEAD(SPL_G(autoload_functions));
660 		}
661 skip:
662 		zend_string_release_ex(lc_name, 0);
663 	}
664 
665 	if (SPL_G(autoload_functions)) {
666 		EG(autoload_func) = spl_autoload_call_fn;
667 	} else {
668 		EG(autoload_func) = spl_autoload_fn;
669 	}
670 
671 	RETURN_TRUE;
672 } /* }}} */
673 
674 /* {{{ proto bool spl_autoload_unregister(mixed autoload_function)
675  Unregister given function as __autoload() implementation */
PHP_FUNCTION(spl_autoload_unregister)676 PHP_FUNCTION(spl_autoload_unregister)
677 {
678 	zend_string *func_name = NULL;
679 	char *error = NULL;
680 	zend_string *lc_name;
681 	zval *zcallable;
682 	int success = FAILURE;
683 	zend_function *spl_func_ptr;
684 	zend_object *obj_ptr;
685 	zend_fcall_info_cache fcc;
686 
687 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "z", &zcallable) == FAILURE) {
688 		return;
689 	}
690 
691 	if (!zend_is_callable_ex(zcallable, NULL, IS_CALLABLE_CHECK_SYNTAX_ONLY, &func_name, &fcc, &error)) {
692 		zend_throw_exception_ex(spl_ce_LogicException, 0, "Unable to unregister invalid function (%s)", error);
693 		if (error) {
694 			efree(error);
695 		}
696 		if (func_name) {
697 			zend_string_release_ex(func_name, 0);
698 		}
699 		RETURN_FALSE;
700 	}
701 	obj_ptr = fcc.object;
702 	if (error) {
703 		efree(error);
704 	}
705 
706 	if (Z_TYPE_P(zcallable) == IS_OBJECT) {
707 		lc_name = zend_string_alloc(ZSTR_LEN(func_name) + sizeof(uint32_t), 0);
708 		zend_str_tolower_copy(ZSTR_VAL(lc_name), ZSTR_VAL(func_name), ZSTR_LEN(func_name));
709 		memcpy(ZSTR_VAL(lc_name) + ZSTR_LEN(func_name), &Z_OBJ_HANDLE_P(zcallable), sizeof(uint32_t));
710 		ZSTR_VAL(lc_name)[ZSTR_LEN(lc_name)] = '\0';
711 	} else {
712 		/* Skip leading \ */
713 		if (ZSTR_VAL(func_name)[0] == '\\') {
714 			lc_name = zend_string_alloc(ZSTR_LEN(func_name) - 1, 0);
715 			zend_str_tolower_copy(ZSTR_VAL(lc_name), ZSTR_VAL(func_name) + 1, ZSTR_LEN(func_name) - 1);
716 		} else {
717 			lc_name = zend_string_tolower(func_name);
718 		}
719 	}
720 	zend_string_release_ex(func_name, 0);
721 
722 	if (SPL_G(autoload_functions)) {
723 		if (zend_string_equals(lc_name, spl_autoload_call_fn->common.function_name)) {
724 			/* remove all */
725 			if (!SPL_G(autoload_running)) {
726 				zend_hash_destroy(SPL_G(autoload_functions));
727 				FREE_HASHTABLE(SPL_G(autoload_functions));
728 				SPL_G(autoload_functions) = NULL;
729 				EG(autoload_func) = NULL;
730 			} else {
731 				zend_hash_clean(SPL_G(autoload_functions));
732 			}
733 			success = SUCCESS;
734 		} else {
735 			/* remove specific */
736 			success = zend_hash_del(SPL_G(autoload_functions), lc_name);
737 			if (success != SUCCESS && obj_ptr) {
738 				lc_name = zend_string_extend(lc_name, ZSTR_LEN(lc_name) + sizeof(uint32_t), 0);
739 				memcpy(ZSTR_VAL(lc_name) + ZSTR_LEN(lc_name) - sizeof(uint32_t), &obj_ptr->handle, sizeof(uint32_t));
740 				ZSTR_VAL(lc_name)[ZSTR_LEN(lc_name)] = '\0';
741 				success = zend_hash_del(SPL_G(autoload_functions), lc_name);
742 			}
743 		}
744 	} else if (zend_string_equals(lc_name, spl_autoload_fn->common.function_name)) {
745 		/* register single spl_autoload() */
746 		spl_func_ptr = spl_autoload_fn;
747 
748 		if (EG(autoload_func) == spl_func_ptr) {
749 			success = SUCCESS;
750 			EG(autoload_func) = NULL;
751 		}
752 	}
753 
754 	zend_string_release_ex(lc_name, 0);
755 	RETURN_BOOL(success == SUCCESS);
756 } /* }}} */
757 
758 /* {{{ proto false|array spl_autoload_functions()
759  Return all registered __autoload() functionns */
PHP_FUNCTION(spl_autoload_functions)760 PHP_FUNCTION(spl_autoload_functions)
761 {
762 	zend_function *fptr;
763 	autoload_func_info *alfi;
764 
765 	if (zend_parse_parameters_none() == FAILURE) {
766 		return;
767 	}
768 
769 	if (!EG(autoload_func)) {
770 		if ((fptr = zend_hash_find_ptr(EG(function_table), ZSTR_KNOWN(ZEND_STR_MAGIC_AUTOLOAD)))) {
771 			zval tmp;
772 
773 			array_init(return_value);
774 			ZVAL_STR_COPY(&tmp, ZSTR_KNOWN(ZEND_STR_MAGIC_AUTOLOAD));
775 			zend_hash_next_index_insert_new(Z_ARR_P(return_value), &tmp);
776 			return;
777 		}
778 		RETURN_FALSE;
779 	}
780 
781 	fptr = spl_autoload_call_fn;
782 
783 	if (EG(autoload_func) == fptr) {
784 		zend_string *key;
785 		array_init(return_value);
786 		ZEND_HASH_FOREACH_STR_KEY_PTR(SPL_G(autoload_functions), key, alfi) {
787 			if (!Z_ISUNDEF(alfi->closure)) {
788 				Z_ADDREF(alfi->closure);
789 				add_next_index_zval(return_value, &alfi->closure);
790 			} else if (alfi->func_ptr->common.scope) {
791 				zval tmp;
792 
793 				array_init(&tmp);
794 				if (!Z_ISUNDEF(alfi->obj)) {
795 					Z_ADDREF(alfi->obj);
796 					add_next_index_zval(&tmp, &alfi->obj);
797 				} else {
798 					add_next_index_str(&tmp, zend_string_copy(alfi->ce->name));
799 				}
800 				add_next_index_str(&tmp, zend_string_copy(alfi->func_ptr->common.function_name));
801 				add_next_index_zval(return_value, &tmp);
802 			} else {
803 				if (strncmp(ZSTR_VAL(alfi->func_ptr->common.function_name), "__lambda_func", sizeof("__lambda_func") - 1)) {
804 					add_next_index_str(return_value, zend_string_copy(alfi->func_ptr->common.function_name));
805 				} else {
806 					add_next_index_str(return_value, zend_string_copy(key));
807 				}
808 			}
809 		} ZEND_HASH_FOREACH_END();
810 		return;
811 	}
812 
813 	array_init(return_value);
814 	add_next_index_str(return_value, zend_string_copy(EG(autoload_func)->common.function_name));
815 } /* }}} */
816 
817 /* {{{ proto string spl_object_hash(object obj)
818  Return hash id for given object */
PHP_FUNCTION(spl_object_hash)819 PHP_FUNCTION(spl_object_hash)
820 {
821 	zval *obj;
822 
823 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "o", &obj) == FAILURE) {
824 		return;
825 	}
826 
827 	RETURN_NEW_STR(php_spl_object_hash(obj));
828 }
829 /* }}} */
830 
831 /* {{{ proto int spl_object_id(object obj)
832  Returns the integer object handle for the given object */
PHP_FUNCTION(spl_object_id)833 PHP_FUNCTION(spl_object_id)
834 {
835 	zval *obj;
836 
837 	ZEND_PARSE_PARAMETERS_START(1, 1)
838 		Z_PARAM_OBJECT(obj)
839 	ZEND_PARSE_PARAMETERS_END();
840 
841 	RETURN_LONG((zend_long)Z_OBJ_HANDLE_P(obj));
842 }
843 /* }}} */
844 
php_spl_object_hash(zval * obj)845 PHPAPI zend_string *php_spl_object_hash(zval *obj) /* {{{*/
846 {
847 	intptr_t hash_handle, hash_handlers;
848 
849 	if (!SPL_G(hash_mask_init)) {
850 		SPL_G(hash_mask_handle)   = (intptr_t)(php_mt_rand() >> 1);
851 		SPL_G(hash_mask_handlers) = (intptr_t)(php_mt_rand() >> 1);
852 		SPL_G(hash_mask_init) = 1;
853 	}
854 
855 	hash_handle   = SPL_G(hash_mask_handle)^(intptr_t)Z_OBJ_HANDLE_P(obj);
856 	hash_handlers = SPL_G(hash_mask_handlers);
857 
858 	return strpprintf(32, "%016zx%016zx", hash_handle, hash_handlers);
859 }
860 /* }}} */
861 
spl_build_class_list_string(zval * entry,char ** list)862 static void spl_build_class_list_string(zval *entry, char **list) /* {{{ */
863 {
864 	char *res;
865 
866 	spprintf(&res, 0, "%s, %s", *list, Z_STRVAL_P(entry));
867 	efree(*list);
868 	*list = res;
869 } /* }}} */
870 
871 /* {{{ PHP_MINFO(spl)
872  */
PHP_MINFO_FUNCTION(spl)873 PHP_MINFO_FUNCTION(spl)
874 {
875 	zval list, *zv;
876 	char *strg;
877 
878 	php_info_print_table_start();
879 	php_info_print_table_header(2, "SPL support",        "enabled");
880 
881 	array_init(&list);
882 	SPL_LIST_CLASSES(&list, 0, 1, ZEND_ACC_INTERFACE)
883 	strg = estrdup("");
884 	ZEND_HASH_FOREACH_VAL(Z_ARRVAL_P(&list), zv) {
885 		spl_build_class_list_string(zv, &strg);
886 	} ZEND_HASH_FOREACH_END();
887 	zend_array_destroy(Z_ARR(list));
888 	php_info_print_table_row(2, "Interfaces", strg + 2);
889 	efree(strg);
890 
891 	array_init(&list);
892 	SPL_LIST_CLASSES(&list, 0, -1, ZEND_ACC_INTERFACE)
893 	strg = estrdup("");
894 	ZEND_HASH_FOREACH_VAL(Z_ARRVAL_P(&list), zv) {
895 		spl_build_class_list_string(zv, &strg);
896 	} ZEND_HASH_FOREACH_END();
897 	zend_array_destroy(Z_ARR(list));
898 	php_info_print_table_row(2, "Classes", strg + 2);
899 	efree(strg);
900 
901 	php_info_print_table_end();
902 }
903 /* }}} */
904 
905 /* {{{ arginfo */
906 ZEND_BEGIN_ARG_INFO_EX(arginfo_iterator_to_array, 0, 0, 1)
907 	ZEND_ARG_OBJ_INFO(0, iterator, Traversable, 0)
908 	ZEND_ARG_INFO(0, use_keys)
909 ZEND_END_ARG_INFO();
910 
911 ZEND_BEGIN_ARG_INFO(arginfo_iterator, 0)
912 	ZEND_ARG_OBJ_INFO(0, iterator, Traversable, 0)
913 ZEND_END_ARG_INFO();
914 
915 ZEND_BEGIN_ARG_INFO_EX(arginfo_iterator_apply, 0, 0, 2)
916 	ZEND_ARG_OBJ_INFO(0, iterator, Traversable, 0)
917 	ZEND_ARG_INFO(0, function)
918 	ZEND_ARG_ARRAY_INFO(0, args, 1)
919 ZEND_END_ARG_INFO();
920 
921 ZEND_BEGIN_ARG_INFO_EX(arginfo_class_parents, 0, 0, 1)
922 	ZEND_ARG_INFO(0, instance)
923 	ZEND_ARG_INFO(0, autoload)
924 ZEND_END_ARG_INFO()
925 
926 ZEND_BEGIN_ARG_INFO_EX(arginfo_class_implements, 0, 0, 1)
927 	ZEND_ARG_INFO(0, what)
928 	ZEND_ARG_INFO(0, autoload)
929 ZEND_END_ARG_INFO()
930 
931 ZEND_BEGIN_ARG_INFO_EX(arginfo_class_uses, 0, 0, 1)
932 	ZEND_ARG_INFO(0, what)
933 	ZEND_ARG_INFO(0, autoload)
934 ZEND_END_ARG_INFO()
935 
936 
937 ZEND_BEGIN_ARG_INFO(arginfo_spl_classes, 0)
938 ZEND_END_ARG_INFO()
939 
940 ZEND_BEGIN_ARG_INFO(arginfo_spl_autoload_functions, 0)
941 ZEND_END_ARG_INFO()
942 
943 ZEND_BEGIN_ARG_INFO_EX(arginfo_spl_autoload, 0, 0, 1)
944 	ZEND_ARG_INFO(0, class_name)
945 	ZEND_ARG_INFO(0, file_extensions)
946 ZEND_END_ARG_INFO()
947 
948 ZEND_BEGIN_ARG_INFO_EX(arginfo_spl_autoload_extensions, 0, 0, 0)
949 	ZEND_ARG_INFO(0, file_extensions)
950 ZEND_END_ARG_INFO()
951 
952 ZEND_BEGIN_ARG_INFO_EX(arginfo_spl_autoload_call, 0, 0, 1)
953 	ZEND_ARG_INFO(0, class_name)
954 ZEND_END_ARG_INFO()
955 
956 ZEND_BEGIN_ARG_INFO_EX(arginfo_spl_autoload_register, 0, 0, 0)
957 	ZEND_ARG_INFO(0, autoload_function)
958 	ZEND_ARG_INFO(0, throw)
959 	ZEND_ARG_INFO(0, prepend)
960 ZEND_END_ARG_INFO()
961 
962 ZEND_BEGIN_ARG_INFO_EX(arginfo_spl_autoload_unregister, 0, 0, 1)
963 	ZEND_ARG_INFO(0, autoload_function)
964 ZEND_END_ARG_INFO()
965 
966 ZEND_BEGIN_ARG_INFO_EX(arginfo_spl_object_hash, 0, 0, 1)
967 	ZEND_ARG_INFO(0, obj)
968 ZEND_END_ARG_INFO()
969 
970 ZEND_BEGIN_ARG_INFO_EX(arginfo_spl_object_id, 0, 0, 1)
971 	ZEND_ARG_INFO(0, obj)
972 ZEND_END_ARG_INFO()
973 /* }}} */
974 
975 /* {{{ spl_functions
976  */
977 static const zend_function_entry spl_functions[] = {
978 	PHP_FE(spl_classes,             arginfo_spl_classes)
979 	PHP_FE(spl_autoload,            arginfo_spl_autoload)
980 	PHP_FE(spl_autoload_extensions, arginfo_spl_autoload_extensions)
981 	PHP_FE(spl_autoload_register,   arginfo_spl_autoload_register)
982 	PHP_FE(spl_autoload_unregister, arginfo_spl_autoload_unregister)
983 	PHP_FE(spl_autoload_functions,  arginfo_spl_autoload_functions)
984 	PHP_FE(spl_autoload_call,       arginfo_spl_autoload_call)
985 	PHP_FE(class_parents,           arginfo_class_parents)
986 	PHP_FE(class_implements,        arginfo_class_implements)
987 	PHP_FE(class_uses,              arginfo_class_uses)
988 	PHP_FE(spl_object_hash,         arginfo_spl_object_hash)
989 	PHP_FE(spl_object_id,           arginfo_spl_object_id)
990 	PHP_FE(iterator_to_array,       arginfo_iterator_to_array)
991 	PHP_FE(iterator_count,          arginfo_iterator)
992 	PHP_FE(iterator_apply,          arginfo_iterator_apply)
993 	PHP_FE_END
994 };
995 /* }}} */
996 
997 /* {{{ PHP_MINIT_FUNCTION(spl)
998  */
PHP_MINIT_FUNCTION(spl)999 PHP_MINIT_FUNCTION(spl)
1000 {
1001 	PHP_MINIT(spl_exceptions)(INIT_FUNC_ARGS_PASSTHRU);
1002 	PHP_MINIT(spl_iterators)(INIT_FUNC_ARGS_PASSTHRU);
1003 	PHP_MINIT(spl_array)(INIT_FUNC_ARGS_PASSTHRU);
1004 	PHP_MINIT(spl_directory)(INIT_FUNC_ARGS_PASSTHRU);
1005 	PHP_MINIT(spl_dllist)(INIT_FUNC_ARGS_PASSTHRU);
1006 	PHP_MINIT(spl_heap)(INIT_FUNC_ARGS_PASSTHRU);
1007 	PHP_MINIT(spl_fixedarray)(INIT_FUNC_ARGS_PASSTHRU);
1008 	PHP_MINIT(spl_observer)(INIT_FUNC_ARGS_PASSTHRU);
1009 
1010 	spl_autoload_fn = zend_hash_str_find_ptr(CG(function_table), "spl_autoload", sizeof("spl_autoload") - 1);
1011 	spl_autoload_call_fn = zend_hash_str_find_ptr(CG(function_table), "spl_autoload_call", sizeof("spl_autoload_call") - 1);
1012 	ZEND_ASSERT(spl_autoload_fn != NULL && spl_autoload_call_fn != NULL);
1013 
1014 	return SUCCESS;
1015 }
1016 /* }}} */
1017 
PHP_RINIT_FUNCTION(spl)1018 PHP_RINIT_FUNCTION(spl) /* {{{ */
1019 {
1020 	SPL_G(autoload_extensions) = NULL;
1021 	SPL_G(autoload_functions) = NULL;
1022 	SPL_G(hash_mask_init) = 0;
1023 	return SUCCESS;
1024 } /* }}} */
1025 
PHP_RSHUTDOWN_FUNCTION(spl)1026 PHP_RSHUTDOWN_FUNCTION(spl) /* {{{ */
1027 {
1028 	if (SPL_G(autoload_extensions)) {
1029 		zend_string_release_ex(SPL_G(autoload_extensions), 0);
1030 		SPL_G(autoload_extensions) = NULL;
1031 	}
1032 	if (SPL_G(autoload_functions)) {
1033 		zend_hash_destroy(SPL_G(autoload_functions));
1034 		FREE_HASHTABLE(SPL_G(autoload_functions));
1035 		SPL_G(autoload_functions) = NULL;
1036 	}
1037 	if (SPL_G(hash_mask_init)) {
1038 		SPL_G(hash_mask_init) = 0;
1039 	}
1040 	return SUCCESS;
1041 } /* }}} */
1042 
1043 /* {{{ spl_module_entry
1044  */
1045 zend_module_entry spl_module_entry = {
1046 	STANDARD_MODULE_HEADER,
1047 	"SPL",
1048 	spl_functions,
1049 	PHP_MINIT(spl),
1050 	NULL,
1051 	PHP_RINIT(spl),
1052 	PHP_RSHUTDOWN(spl),
1053 	PHP_MINFO(spl),
1054 	PHP_SPL_VERSION,
1055 	PHP_MODULE_GLOBALS(spl),
1056 	PHP_GINIT(spl),
1057 	NULL,
1058 	NULL,
1059 	STANDARD_MODULE_PROPERTIES_EX
1060 };
1061 /* }}} */
1062