xref: /PHP-7.3/ext/spl/php_spl.c (revision 16c62a81)
1 /*
2    +----------------------------------------------------------------------+
3    | PHP Version 7                                                        |
4    +----------------------------------------------------------------------+
5    | Copyright (c) 1997-2018 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 	array_init(return_value);
241 
242 	SPL_LIST_CLASSES(return_value, 0, 0, 0)
243 }
244 /* }}} */
245 
spl_autoload(zend_string * class_name,zend_string * lc_name,const char * ext,int ext_len)246 static int spl_autoload(zend_string *class_name, zend_string *lc_name, const char *ext, int ext_len) /* {{{ */
247 {
248 	char *class_file;
249 	int class_file_len;
250 	zval dummy;
251 	zend_file_handle file_handle;
252 	zend_op_array *new_op_array;
253 	zval result;
254 	int ret;
255 
256 	class_file_len = (int)spprintf(&class_file, 0, "%s%.*s", ZSTR_VAL(lc_name), ext_len, ext);
257 
258 #if DEFAULT_SLASH != '\\'
259 	{
260 		char *ptr = class_file;
261 		char *end = ptr + class_file_len;
262 
263 		while ((ptr = memchr(ptr, '\\', (end - ptr))) != NULL) {
264 			*ptr = DEFAULT_SLASH;
265 		}
266 	}
267 #endif
268 
269 	ret = php_stream_open_for_zend_ex(class_file, &file_handle, USE_PATH|STREAM_OPEN_FOR_INCLUDE);
270 
271 	if (ret == SUCCESS) {
272 		zend_string *opened_path;
273 		if (!file_handle.opened_path) {
274 			file_handle.opened_path = zend_string_init(class_file, class_file_len, 0);
275 		}
276 		opened_path = zend_string_copy(file_handle.opened_path);
277 		ZVAL_NULL(&dummy);
278 		if (zend_hash_add(&EG(included_files), opened_path, &dummy)) {
279 			new_op_array = zend_compile_file(&file_handle, ZEND_REQUIRE);
280 			zend_destroy_file_handle(&file_handle);
281 		} else {
282 			new_op_array = NULL;
283 			zend_file_handle_dtor(&file_handle);
284 		}
285 		zend_string_release_ex(opened_path, 0);
286 		if (new_op_array) {
287 			ZVAL_UNDEF(&result);
288 			zend_execute(new_op_array, &result);
289 
290 			destroy_op_array(new_op_array);
291 			efree(new_op_array);
292 			if (!EG(exception)) {
293 				zval_ptr_dtor(&result);
294 			}
295 
296 			efree(class_file);
297 			return zend_hash_exists(EG(class_table), lc_name);
298 		}
299 	}
300 	efree(class_file);
301 	return 0;
302 } /* }}} */
303 
304 /* {{{ proto void spl_autoload(string class_name [, string file_extensions])
305  Default implementation for __autoload() */
PHP_FUNCTION(spl_autoload)306 PHP_FUNCTION(spl_autoload)
307 {
308 	int pos_len, pos1_len;
309 	char *pos, *pos1;
310 	zend_string *class_name, *lc_name, *file_exts = SPL_G(autoload_extensions);
311 
312 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "S|S", &class_name, &file_exts) == FAILURE) {
313 		RETURN_FALSE;
314 	}
315 
316 	if (file_exts == NULL) { /* autoload_extensions is not initialized, set to defaults */
317 		pos = SPL_DEFAULT_FILE_EXTENSIONS;
318 		pos_len = sizeof(SPL_DEFAULT_FILE_EXTENSIONS) - 1;
319 	} else {
320 		pos = ZSTR_VAL(file_exts);
321 		pos_len = (int)ZSTR_LEN(file_exts);
322 	}
323 
324 	lc_name = zend_string_tolower(class_name);
325 	while (pos && *pos && !EG(exception)) {
326 		pos1 = strchr(pos, ',');
327 		if (pos1) {
328 			pos1_len = (int)(pos1 - pos);
329 		} else {
330 			pos1_len = pos_len;
331 		}
332 		if (spl_autoload(class_name, lc_name, pos, pos1_len)) {
333 			break; /* loaded */
334 		}
335 		pos = pos1 ? pos1 + 1 : NULL;
336 		pos_len = pos1? pos_len - pos1_len - 1 : 0;
337 	}
338 	zend_string_release(lc_name);
339 } /* }}} */
340 
341 /* {{{ proto string spl_autoload_extensions([string file_extensions])
342  Register and return default file extensions for spl_autoload */
PHP_FUNCTION(spl_autoload_extensions)343 PHP_FUNCTION(spl_autoload_extensions)
344 {
345 	zend_string *file_exts = NULL;
346 
347 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|S", &file_exts) == FAILURE) {
348 		return;
349 	}
350 	if (file_exts) {
351 		if (SPL_G(autoload_extensions)) {
352 			zend_string_release_ex(SPL_G(autoload_extensions), 0);
353 		}
354 		SPL_G(autoload_extensions) = zend_string_copy(file_exts);
355 	}
356 
357 	if (SPL_G(autoload_extensions) == NULL) {
358 		RETURN_STRINGL(SPL_DEFAULT_FILE_EXTENSIONS, sizeof(SPL_DEFAULT_FILE_EXTENSIONS) - 1);
359 	} else {
360 		zend_string_addref(SPL_G(autoload_extensions));
361 		RETURN_STR(SPL_G(autoload_extensions));
362 	}
363 } /* }}} */
364 
365 typedef struct {
366 	zend_function *func_ptr;
367 	zval obj;
368 	zval closure;
369 	zend_class_entry *ce;
370 } autoload_func_info;
371 
autoload_func_info_dtor(zval * element)372 static void autoload_func_info_dtor(zval *element)
373 {
374 	autoload_func_info *alfi = (autoload_func_info*)Z_PTR_P(element);
375 	if (!Z_ISUNDEF(alfi->obj)) {
376 		zval_ptr_dtor(&alfi->obj);
377 	}
378 	if (alfi->func_ptr &&
379 		UNEXPECTED(alfi->func_ptr->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE)) {
380 		zend_string_release_ex(alfi->func_ptr->common.function_name, 0);
381 		zend_free_trampoline(alfi->func_ptr);
382 	}
383 	if (!Z_ISUNDEF(alfi->closure)) {
384 		zval_ptr_dtor(&alfi->closure);
385 	}
386 	efree(alfi);
387 }
388 
389 /* {{{ proto void spl_autoload_call(string class_name)
390  Try all registerd autoload function to load the requested class */
PHP_FUNCTION(spl_autoload_call)391 PHP_FUNCTION(spl_autoload_call)
392 {
393 	zval *class_name, retval;
394 	zend_string *lc_name, *func_name;
395 	autoload_func_info *alfi;
396 
397 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "z", &class_name) == FAILURE || Z_TYPE_P(class_name) != IS_STRING) {
398 		return;
399 	}
400 
401 	if (SPL_G(autoload_functions)) {
402 		HashPosition pos;
403 		zend_ulong num_idx;
404 		zend_function *func;
405 		zend_fcall_info fci;
406 		zend_fcall_info_cache fcic;
407 		zend_class_entry *called_scope = zend_get_called_scope(execute_data);
408 		int l_autoload_running = SPL_G(autoload_running);
409 
410 		SPL_G(autoload_running) = 1;
411 		lc_name = zend_string_tolower(Z_STR_P(class_name));
412 
413 		fci.size = sizeof(fci);
414 		fci.retval = &retval;
415 		fci.param_count = 1;
416 		fci.params = class_name;
417 		fci.no_separation = 1;
418 
419 		ZVAL_UNDEF(&fci.function_name); /* Unused */
420 
421 		zend_hash_internal_pointer_reset_ex(SPL_G(autoload_functions), &pos);
422 		while (zend_hash_get_current_key_ex(SPL_G(autoload_functions), &func_name, &num_idx, &pos) == HASH_KEY_IS_STRING) {
423 			alfi = zend_hash_get_current_data_ptr_ex(SPL_G(autoload_functions), &pos);
424 			func = alfi->func_ptr;
425 			if (UNEXPECTED(func->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE)) {
426 				func = emalloc(sizeof(zend_op_array));
427 				memcpy(func, alfi->func_ptr, sizeof(zend_op_array));
428 				zend_string_addref(func->op_array.function_name);
429 			}
430 			ZVAL_UNDEF(&retval);
431 			fcic.function_handler = func;
432 			if (Z_ISUNDEF(alfi->obj)) {
433 				fci.object = NULL;
434 				fcic.object = NULL;
435 				if (alfi->ce &&
436 				    (!called_scope ||
437 				     !instanceof_function(called_scope, alfi->ce))) {
438 					fcic.called_scope = alfi->ce;
439 				} else {
440 					fcic.called_scope = called_scope;
441 				}
442 			} else {
443 				fci.object = Z_OBJ(alfi->obj);
444 				fcic.object = Z_OBJ(alfi->obj);
445 				fcic.called_scope = Z_OBJCE(alfi->obj);
446 			}
447 
448 			zend_call_function(&fci, &fcic);
449 			zval_ptr_dtor(&retval);
450 
451 			if (EG(exception)) {
452 				break;
453 			}
454 
455 			if (pos + 1 == SPL_G(autoload_functions)->nNumUsed ||
456 			    zend_hash_exists(EG(class_table), lc_name)) {
457 				break;
458 			}
459 			zend_hash_move_forward_ex(SPL_G(autoload_functions), &pos);
460 		}
461 		zend_string_release_ex(lc_name, 0);
462 		SPL_G(autoload_running) = l_autoload_running;
463 	} else {
464 		/* do not use or overwrite &EG(autoload_func) here */
465 		zend_fcall_info fcall_info;
466 		zend_fcall_info_cache fcall_cache;
467 
468 		ZVAL_UNDEF(&retval);
469 
470 		fcall_info.size = sizeof(fcall_info);
471 		ZVAL_UNDEF(&fcall_info.function_name);
472 		fcall_info.retval = &retval;
473 		fcall_info.param_count = 1;
474 		fcall_info.params = class_name;
475 		fcall_info.object = NULL;
476 		fcall_info.no_separation = 1;
477 
478 		fcall_cache.function_handler = spl_autoload_fn;
479 		fcall_cache.called_scope = NULL;
480 		fcall_cache.object = NULL;
481 
482 		zend_call_function(&fcall_info, &fcall_cache);
483 		zval_ptr_dtor(&retval);
484 	}
485 } /* }}} */
486 
487 #define HT_MOVE_TAIL_TO_HEAD(ht)						        \
488 	do {												        \
489 		Bucket tmp = (ht)->arData[(ht)->nNumUsed-1];				\
490 		memmove((ht)->arData + 1, (ht)->arData,					\
491 			sizeof(Bucket) * ((ht)->nNumUsed - 1));				\
492 		(ht)->arData[0] = tmp;									\
493 		zend_hash_rehash(ht);						        	\
494 	} while (0)
495 
496 /* {{{ proto bool spl_autoload_register([mixed autoload_function [, bool throw [, bool prepend]]])
497  Register given function as __autoload() implementation */
PHP_FUNCTION(spl_autoload_register)498 PHP_FUNCTION(spl_autoload_register)
499 {
500 	zend_string *func_name;
501 	char *error = NULL;
502 	zend_string *lc_name;
503 	zval *zcallable = NULL;
504 	zend_bool do_throw = 1;
505 	zend_bool prepend  = 0;
506 	zend_function *spl_func_ptr;
507 	autoload_func_info alfi;
508 	zend_object *obj_ptr;
509 	zend_fcall_info_cache fcc;
510 
511 	if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS(), "|zbb", &zcallable, &do_throw, &prepend) == FAILURE) {
512 		return;
513 	}
514 
515 	if (ZEND_NUM_ARGS()) {
516 		if (!zend_is_callable_ex(zcallable, NULL, IS_CALLABLE_STRICT, &func_name, &fcc, &error)) {
517 			alfi.ce = fcc.calling_scope;
518 			alfi.func_ptr = fcc.function_handler;
519 			obj_ptr = fcc.object;
520 			if (Z_TYPE_P(zcallable) == IS_ARRAY) {
521 				if (!obj_ptr && alfi.func_ptr && !(alfi.func_ptr->common.fn_flags & ZEND_ACC_STATIC)) {
522 					if (do_throw) {
523 						zend_throw_exception_ex(spl_ce_LogicException, 0, "Passed array specifies a non static method but no object (%s)", error);
524 					}
525 					if (error) {
526 						efree(error);
527 					}
528 					zend_string_release_ex(func_name, 0);
529 					RETURN_FALSE;
530 				} else if (do_throw) {
531 					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);
532 				}
533 				if (error) {
534 					efree(error);
535 				}
536 				zend_string_release_ex(func_name, 0);
537 				RETURN_FALSE;
538 			} else if (Z_TYPE_P(zcallable) == IS_STRING) {
539 				if (do_throw) {
540 					zend_throw_exception_ex(spl_ce_LogicException, 0, "Function '%s' not %s (%s)", ZSTR_VAL(func_name), alfi.func_ptr ? "callable" : "found", error);
541 				}
542 				if (error) {
543 					efree(error);
544 				}
545 				zend_string_release_ex(func_name, 0);
546 				RETURN_FALSE;
547 			} else {
548 				if (do_throw) {
549 					zend_throw_exception_ex(spl_ce_LogicException, 0, "Illegal value passed (%s)", error);
550 				}
551 				if (error) {
552 					efree(error);
553 				}
554 				zend_string_release_ex(func_name, 0);
555 				RETURN_FALSE;
556 			}
557 		} else if (fcc.function_handler->type == ZEND_INTERNAL_FUNCTION &&
558 				   fcc.function_handler->internal_function.handler == zif_spl_autoload_call) {
559 			if (do_throw) {
560 				zend_throw_exception_ex(spl_ce_LogicException, 0, "Function spl_autoload_call() cannot be registered");
561 			}
562 			if (error) {
563 				efree(error);
564 			}
565 			zend_string_release_ex(func_name, 0);
566 			RETURN_FALSE;
567 		}
568 		alfi.ce = fcc.calling_scope;
569 		alfi.func_ptr = fcc.function_handler;
570 		obj_ptr = fcc.object;
571 		if (error) {
572 			efree(error);
573 		}
574 
575 		if (Z_TYPE_P(zcallable) == IS_OBJECT) {
576 			ZVAL_COPY(&alfi.closure, zcallable);
577 
578 			lc_name = zend_string_alloc(ZSTR_LEN(func_name) + sizeof(uint32_t), 0);
579 			zend_str_tolower_copy(ZSTR_VAL(lc_name), ZSTR_VAL(func_name), ZSTR_LEN(func_name));
580 			memcpy(ZSTR_VAL(lc_name) + ZSTR_LEN(func_name), &Z_OBJ_HANDLE_P(zcallable), sizeof(uint32_t));
581 			ZSTR_VAL(lc_name)[ZSTR_LEN(lc_name)] = '\0';
582 		} else {
583 			ZVAL_UNDEF(&alfi.closure);
584 			/* Skip leading \ */
585 			if (ZSTR_VAL(func_name)[0] == '\\') {
586 				lc_name = zend_string_alloc(ZSTR_LEN(func_name) - 1, 0);
587 				zend_str_tolower_copy(ZSTR_VAL(lc_name), ZSTR_VAL(func_name) + 1, ZSTR_LEN(func_name) - 1);
588 			} else {
589 				lc_name = zend_string_tolower(func_name);
590 			}
591 		}
592 		zend_string_release_ex(func_name, 0);
593 
594 		if (SPL_G(autoload_functions) && zend_hash_exists(SPL_G(autoload_functions), lc_name)) {
595 			if (!Z_ISUNDEF(alfi.closure)) {
596 				Z_DELREF_P(&alfi.closure);
597 			}
598 			goto skip;
599 		}
600 
601 		if (obj_ptr && !(alfi.func_ptr->common.fn_flags & ZEND_ACC_STATIC)) {
602 			/* add object id to the hash to ensure uniqueness, for more reference look at bug #40091 */
603 			lc_name = zend_string_extend(lc_name, ZSTR_LEN(lc_name) + sizeof(uint32_t), 0);
604 			memcpy(ZSTR_VAL(lc_name) + ZSTR_LEN(lc_name) - sizeof(uint32_t), &obj_ptr->handle, sizeof(uint32_t));
605 			ZSTR_VAL(lc_name)[ZSTR_LEN(lc_name)] = '\0';
606 			ZVAL_OBJ(&alfi.obj, obj_ptr);
607 			Z_ADDREF(alfi.obj);
608 		} else {
609 			ZVAL_UNDEF(&alfi.obj);
610 		}
611 
612 		if (!SPL_G(autoload_functions)) {
613 			ALLOC_HASHTABLE(SPL_G(autoload_functions));
614 			zend_hash_init(SPL_G(autoload_functions), 1, NULL, autoload_func_info_dtor, 0);
615 		}
616 
617 		spl_func_ptr = spl_autoload_fn;
618 
619 		if (EG(autoload_func) == spl_func_ptr) { /* registered already, so we insert that first */
620 			autoload_func_info spl_alfi;
621 
622 			spl_alfi.func_ptr = spl_func_ptr;
623 			ZVAL_UNDEF(&spl_alfi.obj);
624 			ZVAL_UNDEF(&spl_alfi.closure);
625 			spl_alfi.ce = NULL;
626 			zend_hash_add_mem(SPL_G(autoload_functions), spl_autoload_fn->common.function_name,
627 					&spl_alfi, sizeof(autoload_func_info));
628 			if (prepend && SPL_G(autoload_functions)->nNumOfElements > 1) {
629 				/* Move the newly created element to the head of the hashtable */
630 				HT_MOVE_TAIL_TO_HEAD(SPL_G(autoload_functions));
631 			}
632 		}
633 
634 		if (UNEXPECTED(alfi.func_ptr == &EG(trampoline))) {
635 			zend_function *copy = emalloc(sizeof(zend_op_array));
636 
637 			memcpy(copy, alfi.func_ptr, sizeof(zend_op_array));
638 			alfi.func_ptr->common.function_name = NULL;
639 			alfi.func_ptr = copy;
640 		}
641 		if (zend_hash_add_mem(SPL_G(autoload_functions), lc_name, &alfi, sizeof(autoload_func_info)) == NULL) {
642 			if (obj_ptr && !(alfi.func_ptr->common.fn_flags & ZEND_ACC_STATIC)) {
643 				Z_DELREF(alfi.obj);
644 			}
645 			if (!Z_ISUNDEF(alfi.closure)) {
646 				Z_DELREF(alfi.closure);
647 			}
648 			if (UNEXPECTED(alfi.func_ptr->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE)) {
649 				zend_string_release_ex(alfi.func_ptr->common.function_name, 0);
650 				zend_free_trampoline(alfi.func_ptr);
651 			}
652 		}
653 		if (prepend && SPL_G(autoload_functions)->nNumOfElements > 1) {
654 			/* Move the newly created element to the head of the hashtable */
655 			HT_MOVE_TAIL_TO_HEAD(SPL_G(autoload_functions));
656 		}
657 skip:
658 		zend_string_release_ex(lc_name, 0);
659 	}
660 
661 	if (SPL_G(autoload_functions)) {
662 		EG(autoload_func) = spl_autoload_call_fn;
663 	} else {
664 		EG(autoload_func) = spl_autoload_fn;
665 	}
666 
667 	RETURN_TRUE;
668 } /* }}} */
669 
670 /* {{{ proto bool spl_autoload_unregister(mixed autoload_function)
671  Unregister given function as __autoload() implementation */
PHP_FUNCTION(spl_autoload_unregister)672 PHP_FUNCTION(spl_autoload_unregister)
673 {
674 	zend_string *func_name = NULL;
675 	char *error = NULL;
676 	zend_string *lc_name;
677 	zval *zcallable;
678 	int success = FAILURE;
679 	zend_function *spl_func_ptr;
680 	zend_object *obj_ptr;
681 	zend_fcall_info_cache fcc;
682 
683 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "z", &zcallable) == FAILURE) {
684 		return;
685 	}
686 
687 	if (!zend_is_callable_ex(zcallable, NULL, IS_CALLABLE_CHECK_SYNTAX_ONLY, &func_name, &fcc, &error)) {
688 		zend_throw_exception_ex(spl_ce_LogicException, 0, "Unable to unregister invalid function (%s)", error);
689 		if (error) {
690 			efree(error);
691 		}
692 		if (func_name) {
693 			zend_string_release_ex(func_name, 0);
694 		}
695 		RETURN_FALSE;
696 	}
697 	obj_ptr = fcc.object;
698 	if (error) {
699 		efree(error);
700 	}
701 
702 	if (Z_TYPE_P(zcallable) == IS_OBJECT) {
703 		lc_name = zend_string_alloc(ZSTR_LEN(func_name) + sizeof(uint32_t), 0);
704 		zend_str_tolower_copy(ZSTR_VAL(lc_name), ZSTR_VAL(func_name), ZSTR_LEN(func_name));
705 		memcpy(ZSTR_VAL(lc_name) + ZSTR_LEN(func_name), &Z_OBJ_HANDLE_P(zcallable), sizeof(uint32_t));
706 		ZSTR_VAL(lc_name)[ZSTR_LEN(lc_name)] = '\0';
707 	} else {
708 		/* Skip leading \ */
709 		if (ZSTR_VAL(func_name)[0] == '\\') {
710 			lc_name = zend_string_alloc(ZSTR_LEN(func_name) - 1, 0);
711 			zend_str_tolower_copy(ZSTR_VAL(lc_name), ZSTR_VAL(func_name) + 1, ZSTR_LEN(func_name) - 1);
712 		} else {
713 			lc_name = zend_string_tolower(func_name);
714 		}
715 	}
716 	zend_string_release_ex(func_name, 0);
717 
718 	if (SPL_G(autoload_functions)) {
719 		if (zend_string_equals(lc_name, spl_autoload_call_fn->common.function_name)) {
720 			/* remove all */
721 			if (!SPL_G(autoload_running)) {
722 				zend_hash_destroy(SPL_G(autoload_functions));
723 				FREE_HASHTABLE(SPL_G(autoload_functions));
724 				SPL_G(autoload_functions) = NULL;
725 				EG(autoload_func) = NULL;
726 			} else {
727 				zend_hash_clean(SPL_G(autoload_functions));
728 			}
729 			success = SUCCESS;
730 		} else {
731 			/* remove specific */
732 			success = zend_hash_del(SPL_G(autoload_functions), lc_name);
733 			if (success != SUCCESS && obj_ptr) {
734 				lc_name = zend_string_extend(lc_name, ZSTR_LEN(lc_name) + sizeof(uint32_t), 0);
735 				memcpy(ZSTR_VAL(lc_name) + ZSTR_LEN(lc_name) - sizeof(uint32_t), &obj_ptr->handle, sizeof(uint32_t));
736 				ZSTR_VAL(lc_name)[ZSTR_LEN(lc_name)] = '\0';
737 				success = zend_hash_del(SPL_G(autoload_functions), lc_name);
738 			}
739 		}
740 	} else if (zend_string_equals(lc_name, spl_autoload_fn->common.function_name)) {
741 		/* register single spl_autoload() */
742 		spl_func_ptr = spl_autoload_fn;
743 
744 		if (EG(autoload_func) == spl_func_ptr) {
745 			success = SUCCESS;
746 			EG(autoload_func) = NULL;
747 		}
748 	}
749 
750 	zend_string_release_ex(lc_name, 0);
751 	RETURN_BOOL(success == SUCCESS);
752 } /* }}} */
753 
754 /* {{{ proto false|array spl_autoload_functions()
755  Return all registered __autoload() functionns */
PHP_FUNCTION(spl_autoload_functions)756 PHP_FUNCTION(spl_autoload_functions)
757 {
758 	zend_function *fptr;
759 	autoload_func_info *alfi;
760 
761 	if (zend_parse_parameters_none() == FAILURE) {
762 		return;
763 	}
764 
765 	if (!EG(autoload_func)) {
766 		if ((fptr = zend_hash_find_ptr(EG(function_table), ZSTR_KNOWN(ZEND_STR_MAGIC_AUTOLOAD)))) {
767 			zval tmp;
768 
769 			array_init(return_value);
770 			ZVAL_STR_COPY(&tmp, ZSTR_KNOWN(ZEND_STR_MAGIC_AUTOLOAD));
771 			zend_hash_next_index_insert_new(Z_ARR_P(return_value), &tmp);
772 			return;
773 		}
774 		RETURN_FALSE;
775 	}
776 
777 	fptr = spl_autoload_call_fn;
778 
779 	if (EG(autoload_func) == fptr) {
780 		zend_string *key;
781 		array_init(return_value);
782 		ZEND_HASH_FOREACH_STR_KEY_PTR(SPL_G(autoload_functions), key, alfi) {
783 			if (!Z_ISUNDEF(alfi->closure)) {
784 				Z_ADDREF(alfi->closure);
785 				add_next_index_zval(return_value, &alfi->closure);
786 			} else if (alfi->func_ptr->common.scope) {
787 				zval tmp;
788 
789 				array_init(&tmp);
790 				if (!Z_ISUNDEF(alfi->obj)) {
791 					Z_ADDREF(alfi->obj);
792 					add_next_index_zval(&tmp, &alfi->obj);
793 				} else {
794 					add_next_index_str(&tmp, zend_string_copy(alfi->ce->name));
795 				}
796 				add_next_index_str(&tmp, zend_string_copy(alfi->func_ptr->common.function_name));
797 				add_next_index_zval(return_value, &tmp);
798 			} else {
799 				if (strncmp(ZSTR_VAL(alfi->func_ptr->common.function_name), "__lambda_func", sizeof("__lambda_func") - 1)) {
800 					add_next_index_str(return_value, zend_string_copy(alfi->func_ptr->common.function_name));
801 				} else {
802 					add_next_index_str(return_value, zend_string_copy(key));
803 				}
804 			}
805 		} ZEND_HASH_FOREACH_END();
806 		return;
807 	}
808 
809 	array_init(return_value);
810 	add_next_index_str(return_value, zend_string_copy(EG(autoload_func)->common.function_name));
811 } /* }}} */
812 
813 /* {{{ proto string spl_object_hash(object obj)
814  Return hash id for given object */
PHP_FUNCTION(spl_object_hash)815 PHP_FUNCTION(spl_object_hash)
816 {
817 	zval *obj;
818 
819 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "o", &obj) == FAILURE) {
820 		return;
821 	}
822 
823 	RETURN_NEW_STR(php_spl_object_hash(obj));
824 }
825 /* }}} */
826 
827 /* {{{ proto int spl_object_id(object obj)
828  Returns the integer object handle for the given object */
PHP_FUNCTION(spl_object_id)829 PHP_FUNCTION(spl_object_id)
830 {
831 	zval *obj;
832 
833 	ZEND_PARSE_PARAMETERS_START(1, 1)
834 		Z_PARAM_OBJECT(obj)
835 	ZEND_PARSE_PARAMETERS_END();
836 
837 	RETURN_LONG((zend_long)Z_OBJ_HANDLE_P(obj));
838 }
839 /* }}} */
840 
php_spl_object_hash(zval * obj)841 PHPAPI zend_string *php_spl_object_hash(zval *obj) /* {{{*/
842 {
843 	intptr_t hash_handle, hash_handlers;
844 
845 	if (!SPL_G(hash_mask_init)) {
846 		SPL_G(hash_mask_handle)   = (intptr_t)(php_mt_rand() >> 1);
847 		SPL_G(hash_mask_handlers) = (intptr_t)(php_mt_rand() >> 1);
848 		SPL_G(hash_mask_init) = 1;
849 	}
850 
851 	hash_handle   = SPL_G(hash_mask_handle)^(intptr_t)Z_OBJ_HANDLE_P(obj);
852 	hash_handlers = SPL_G(hash_mask_handlers);
853 
854 	return strpprintf(32, "%016zx%016zx", hash_handle, hash_handlers);
855 }
856 /* }}} */
857 
spl_build_class_list_string(zval * entry,char ** list)858 int spl_build_class_list_string(zval *entry, char **list) /* {{{ */
859 {
860 	char *res;
861 
862 	spprintf(&res, 0, "%s, %s", *list, Z_STRVAL_P(entry));
863 	efree(*list);
864 	*list = res;
865 	return ZEND_HASH_APPLY_KEEP;
866 } /* }}} */
867 
868 /* {{{ PHP_MINFO(spl)
869  */
PHP_MINFO_FUNCTION(spl)870 PHP_MINFO_FUNCTION(spl)
871 {
872 	zval list;
873 	char *strg;
874 
875 	php_info_print_table_start();
876 	php_info_print_table_header(2, "SPL support",        "enabled");
877 
878 	array_init(&list);
879 	SPL_LIST_CLASSES(&list, 0, 1, ZEND_ACC_INTERFACE)
880 	strg = estrdup("");
881 	zend_hash_apply_with_argument(Z_ARRVAL_P(&list), (apply_func_arg_t)spl_build_class_list_string, &strg);
882 	zend_array_destroy(Z_ARR(list));
883 	php_info_print_table_row(2, "Interfaces", strg + 2);
884 	efree(strg);
885 
886 	array_init(&list);
887 	SPL_LIST_CLASSES(&list, 0, -1, ZEND_ACC_INTERFACE)
888 	strg = estrdup("");
889 	zend_hash_apply_with_argument(Z_ARRVAL_P(&list), (apply_func_arg_t)spl_build_class_list_string, &strg);
890 	zend_array_destroy(Z_ARR(list));
891 	php_info_print_table_row(2, "Classes", strg + 2);
892 	efree(strg);
893 
894 	php_info_print_table_end();
895 }
896 /* }}} */
897 
898 /* {{{ arginfo */
899 ZEND_BEGIN_ARG_INFO_EX(arginfo_iterator_to_array, 0, 0, 1)
900 	ZEND_ARG_OBJ_INFO(0, iterator, Traversable, 0)
901 	ZEND_ARG_INFO(0, use_keys)
902 ZEND_END_ARG_INFO();
903 
904 ZEND_BEGIN_ARG_INFO(arginfo_iterator, 0)
905 	ZEND_ARG_OBJ_INFO(0, iterator, Traversable, 0)
906 ZEND_END_ARG_INFO();
907 
908 ZEND_BEGIN_ARG_INFO_EX(arginfo_iterator_apply, 0, 0, 2)
909 	ZEND_ARG_OBJ_INFO(0, iterator, Traversable, 0)
910 	ZEND_ARG_INFO(0, function)
911 	ZEND_ARG_ARRAY_INFO(0, args, 1)
912 ZEND_END_ARG_INFO();
913 
914 ZEND_BEGIN_ARG_INFO_EX(arginfo_class_parents, 0, 0, 1)
915 	ZEND_ARG_INFO(0, instance)
916 	ZEND_ARG_INFO(0, autoload)
917 ZEND_END_ARG_INFO()
918 
919 ZEND_BEGIN_ARG_INFO_EX(arginfo_class_implements, 0, 0, 1)
920 	ZEND_ARG_INFO(0, what)
921 	ZEND_ARG_INFO(0, autoload)
922 ZEND_END_ARG_INFO()
923 
924 ZEND_BEGIN_ARG_INFO_EX(arginfo_class_uses, 0, 0, 1)
925 	ZEND_ARG_INFO(0, what)
926 	ZEND_ARG_INFO(0, autoload)
927 ZEND_END_ARG_INFO()
928 
929 
930 ZEND_BEGIN_ARG_INFO(arginfo_spl_classes, 0)
931 ZEND_END_ARG_INFO()
932 
933 ZEND_BEGIN_ARG_INFO(arginfo_spl_autoload_functions, 0)
934 ZEND_END_ARG_INFO()
935 
936 ZEND_BEGIN_ARG_INFO_EX(arginfo_spl_autoload, 0, 0, 1)
937 	ZEND_ARG_INFO(0, class_name)
938 	ZEND_ARG_INFO(0, file_extensions)
939 ZEND_END_ARG_INFO()
940 
941 ZEND_BEGIN_ARG_INFO_EX(arginfo_spl_autoload_extensions, 0, 0, 0)
942 	ZEND_ARG_INFO(0, file_extensions)
943 ZEND_END_ARG_INFO()
944 
945 ZEND_BEGIN_ARG_INFO_EX(arginfo_spl_autoload_call, 0, 0, 1)
946 	ZEND_ARG_INFO(0, class_name)
947 ZEND_END_ARG_INFO()
948 
949 ZEND_BEGIN_ARG_INFO_EX(arginfo_spl_autoload_register, 0, 0, 0)
950 	ZEND_ARG_INFO(0, autoload_function)
951 	ZEND_ARG_INFO(0, throw)
952 	ZEND_ARG_INFO(0, prepend)
953 ZEND_END_ARG_INFO()
954 
955 ZEND_BEGIN_ARG_INFO_EX(arginfo_spl_autoload_unregister, 0, 0, 1)
956 	ZEND_ARG_INFO(0, autoload_function)
957 ZEND_END_ARG_INFO()
958 
959 ZEND_BEGIN_ARG_INFO_EX(arginfo_spl_object_hash, 0, 0, 1)
960 	ZEND_ARG_INFO(0, obj)
961 ZEND_END_ARG_INFO()
962 
963 ZEND_BEGIN_ARG_INFO_EX(arginfo_spl_object_id, 0, 0, 1)
964 	ZEND_ARG_INFO(0, obj)
965 ZEND_END_ARG_INFO()
966 /* }}} */
967 
968 /* {{{ spl_functions
969  */
970 static const zend_function_entry spl_functions[] = {
971 	PHP_FE(spl_classes,             arginfo_spl_classes)
972 	PHP_FE(spl_autoload,            arginfo_spl_autoload)
973 	PHP_FE(spl_autoload_extensions, arginfo_spl_autoload_extensions)
974 	PHP_FE(spl_autoload_register,   arginfo_spl_autoload_register)
975 	PHP_FE(spl_autoload_unregister, arginfo_spl_autoload_unregister)
976 	PHP_FE(spl_autoload_functions,  arginfo_spl_autoload_functions)
977 	PHP_FE(spl_autoload_call,       arginfo_spl_autoload_call)
978 	PHP_FE(class_parents,           arginfo_class_parents)
979 	PHP_FE(class_implements,        arginfo_class_implements)
980 	PHP_FE(class_uses,              arginfo_class_uses)
981 	PHP_FE(spl_object_hash,         arginfo_spl_object_hash)
982 	PHP_FE(spl_object_id,           arginfo_spl_object_id)
983 #ifdef SPL_ITERATORS_H
984 	PHP_FE(iterator_to_array,       arginfo_iterator_to_array)
985 	PHP_FE(iterator_count,          arginfo_iterator)
986 	PHP_FE(iterator_apply,          arginfo_iterator_apply)
987 #endif /* SPL_ITERATORS_H */
988 	PHP_FE_END
989 };
990 /* }}} */
991 
992 /* {{{ PHP_MINIT_FUNCTION(spl)
993  */
PHP_MINIT_FUNCTION(spl)994 PHP_MINIT_FUNCTION(spl)
995 {
996 	PHP_MINIT(spl_exceptions)(INIT_FUNC_ARGS_PASSTHRU);
997 	PHP_MINIT(spl_iterators)(INIT_FUNC_ARGS_PASSTHRU);
998 	PHP_MINIT(spl_array)(INIT_FUNC_ARGS_PASSTHRU);
999 	PHP_MINIT(spl_directory)(INIT_FUNC_ARGS_PASSTHRU);
1000 	PHP_MINIT(spl_dllist)(INIT_FUNC_ARGS_PASSTHRU);
1001 	PHP_MINIT(spl_heap)(INIT_FUNC_ARGS_PASSTHRU);
1002 	PHP_MINIT(spl_fixedarray)(INIT_FUNC_ARGS_PASSTHRU);
1003 	PHP_MINIT(spl_observer)(INIT_FUNC_ARGS_PASSTHRU);
1004 
1005 	spl_autoload_fn = zend_hash_str_find_ptr(CG(function_table), "spl_autoload", sizeof("spl_autoload") - 1);
1006 	spl_autoload_call_fn = zend_hash_str_find_ptr(CG(function_table), "spl_autoload_call", sizeof("spl_autoload_call") - 1);
1007 	ZEND_ASSERT(spl_autoload_fn != NULL && spl_autoload_call_fn != NULL);
1008 
1009 	return SUCCESS;
1010 }
1011 /* }}} */
1012 
PHP_RINIT_FUNCTION(spl)1013 PHP_RINIT_FUNCTION(spl) /* {{{ */
1014 {
1015 	SPL_G(autoload_extensions) = NULL;
1016 	SPL_G(autoload_functions) = NULL;
1017 	SPL_G(hash_mask_init) = 0;
1018 	return SUCCESS;
1019 } /* }}} */
1020 
PHP_RSHUTDOWN_FUNCTION(spl)1021 PHP_RSHUTDOWN_FUNCTION(spl) /* {{{ */
1022 {
1023 	if (SPL_G(autoload_extensions)) {
1024 		zend_string_release_ex(SPL_G(autoload_extensions), 0);
1025 		SPL_G(autoload_extensions) = NULL;
1026 	}
1027 	if (SPL_G(autoload_functions)) {
1028 		zend_hash_destroy(SPL_G(autoload_functions));
1029 		FREE_HASHTABLE(SPL_G(autoload_functions));
1030 		SPL_G(autoload_functions) = NULL;
1031 	}
1032 	if (SPL_G(hash_mask_init)) {
1033 		SPL_G(hash_mask_init) = 0;
1034 	}
1035 	return SUCCESS;
1036 } /* }}} */
1037 
1038 /* {{{ spl_module_entry
1039  */
1040 zend_module_entry spl_module_entry = {
1041 	STANDARD_MODULE_HEADER,
1042 	"SPL",
1043 	spl_functions,
1044 	PHP_MINIT(spl),
1045 	NULL,
1046 	PHP_RINIT(spl),
1047 	PHP_RSHUTDOWN(spl),
1048 	PHP_MINFO(spl),
1049 	PHP_SPL_VERSION,
1050 	PHP_MODULE_GLOBALS(spl),
1051 	PHP_GINIT(spl),
1052 	NULL,
1053 	NULL,
1054 	STANDARD_MODULE_PROPERTIES_EX
1055 };
1056 /* }}} */
1057 
1058 /*
1059  * Local variables:
1060  * tab-width: 4
1061  * c-basic-offset: 4
1062  * End:
1063  * vim600: fdm=marker
1064  * vim: noet sw=4 ts=4
1065  */
1066