1 /*
2 +----------------------------------------------------------------------+
3 | Copyright (c) The PHP Group |
4 +----------------------------------------------------------------------+
5 | This source file is subject to version 3.01 of the PHP license, |
6 | that is bundled with this package in the file LICENSE, and is |
7 | available through the world-wide-web at the following url: |
8 | https://www.php.net/license/3_01.txt |
9 | If you did not receive a copy of the PHP license and are unable to |
10 | obtain it through the world-wide-web, please send a note to |
11 | license@php.net so we can mail you a copy immediately. |
12 +----------------------------------------------------------------------+
13 | Author: Sterling Hughes <sterling@php.net> |
14 +----------------------------------------------------------------------+
15 */
16
17 #define ZEND_INCLUDE_FULL_WINDOWS_HEADERS
18
19 #ifdef HAVE_CONFIG_H
20 #include "config.h"
21 #endif
22
23 #include "php.h"
24 #include "Zend/zend_smart_str.h"
25
26 #include "curl_private.h"
27
28 #include <curl/curl.h>
29 #include <curl/multi.h>
30
31 #ifdef HAVE_SYS_SELECT_H
32 #include <sys/select.h>
33 #endif
34
35 #ifdef HAVE_SYS_TIME_H
36 #include <sys/time.h>
37 #endif
38
39 #ifdef HAVE_SYS_TYPES_H
40 #include <sys/types.h>
41 #endif
42
43 #ifdef HAVE_UNISTD_H
44 #include <unistd.h>
45 #endif
46
47 #define SAVE_CURLM_ERROR(__handle, __err) (__handle)->err.no = (int) __err;
48
49 /* CurlMultiHandle class */
50
51 zend_class_entry *curl_multi_ce;
52
curl_multi_from_obj(zend_object * obj)53 static inline php_curlm *curl_multi_from_obj(zend_object *obj) {
54 return (php_curlm *)((char *)(obj) - XtOffsetOf(php_curlm, std));
55 }
56
57 #define Z_CURL_MULTI_P(zv) curl_multi_from_obj(Z_OBJ_P(zv))
58
59 /* {{{ Returns a new cURL multi handle */
PHP_FUNCTION(curl_multi_init)60 PHP_FUNCTION(curl_multi_init)
61 {
62 php_curlm *mh;
63 CURLM *multi;
64
65 ZEND_PARSE_PARAMETERS_NONE();
66 multi = curl_multi_init();
67 if (UNEXPECTED(multi == NULL)) {
68 zend_throw_error(NULL, "%s(): Could not initialize a new cURL multi handle", get_active_function_name());
69 RETURN_THROWS();
70 }
71 object_init_ex(return_value, curl_multi_ce);
72 mh = Z_CURL_MULTI_P(return_value);
73 mh->multi = multi;
74
75 zend_llist_init(&mh->easyh, sizeof(zval), _php_curl_multi_cleanup_list, 0);
76 }
77 /* }}} */
78
79 /* {{{ Add a normal cURL handle to a cURL multi handle */
PHP_FUNCTION(curl_multi_add_handle)80 PHP_FUNCTION(curl_multi_add_handle)
81 {
82 zval *z_mh;
83 zval *z_ch;
84 php_curlm *mh;
85 php_curl *ch;
86 CURLMcode error = CURLM_OK;
87
88 ZEND_PARSE_PARAMETERS_START(2,2)
89 Z_PARAM_OBJECT_OF_CLASS(z_mh, curl_multi_ce)
90 Z_PARAM_OBJECT_OF_CLASS(z_ch, curl_ce)
91 ZEND_PARSE_PARAMETERS_END();
92
93 mh = Z_CURL_MULTI_P(z_mh);
94 ch = Z_CURL_P(z_ch);
95
96 _php_curl_verify_handlers(ch, /* reporterror */ true);
97
98 _php_curl_cleanup_handle(ch);
99
100 error = curl_multi_add_handle(mh->multi, ch->cp);
101 SAVE_CURLM_ERROR(mh, error);
102
103 if (error == CURLM_OK) {
104 Z_ADDREF_P(z_ch);
105 zend_llist_add_element(&mh->easyh, z_ch);
106 }
107
108 RETURN_LONG((zend_long) error);
109 }
110 /* }}} */
111
_php_curl_multi_cleanup_list(void * data)112 void _php_curl_multi_cleanup_list(void *data) /* {{{ */
113 {
114 zval *z_ch = (zval *)data;
115
116 zval_ptr_dtor(z_ch);
117 }
118 /* }}} */
119
120 /* Used internally as comparison routine passed to zend_list_del_element */
curl_compare_objects(zval * z1,zval * z2)121 static int curl_compare_objects( zval *z1, zval *z2 ) /* {{{ */
122 {
123 return (Z_TYPE_P(z1) == Z_TYPE_P(z2) &&
124 Z_TYPE_P(z1) == IS_OBJECT &&
125 Z_OBJ_P(z1) == Z_OBJ_P(z2));
126 }
127 /* }}} */
128
129 /* Used to find the php_curl resource for a given curl easy handle */
_php_curl_multi_find_easy_handle(php_curlm * mh,CURL * easy)130 static zval *_php_curl_multi_find_easy_handle(php_curlm *mh, CURL *easy) /* {{{ */
131 {
132 php_curl *tmp_ch;
133 zend_llist_position pos;
134 zval *pz_ch_temp;
135
136 for(pz_ch_temp = (zval *)zend_llist_get_first_ex(&mh->easyh, &pos); pz_ch_temp;
137 pz_ch_temp = (zval *)zend_llist_get_next_ex(&mh->easyh, &pos)) {
138 tmp_ch = Z_CURL_P(pz_ch_temp);
139
140 if (tmp_ch->cp == easy) {
141 return pz_ch_temp;
142 }
143 }
144
145 return NULL;
146 }
147 /* }}} */
148
149 /* {{{ Remove a multi handle from a set of cURL handles */
PHP_FUNCTION(curl_multi_remove_handle)150 PHP_FUNCTION(curl_multi_remove_handle)
151 {
152 zval *z_mh;
153 zval *z_ch;
154 php_curlm *mh;
155 php_curl *ch;
156 CURLMcode error = CURLM_OK;
157
158 ZEND_PARSE_PARAMETERS_START(2,2)
159 Z_PARAM_OBJECT_OF_CLASS(z_mh, curl_multi_ce)
160 Z_PARAM_OBJECT_OF_CLASS(z_ch, curl_ce)
161 ZEND_PARSE_PARAMETERS_END();
162
163 mh = Z_CURL_MULTI_P(z_mh);
164 ch = Z_CURL_P(z_ch);
165
166 error = curl_multi_remove_handle(mh->multi, ch->cp);
167 SAVE_CURLM_ERROR(mh, error);
168
169 if (error == CURLM_OK) {
170 zend_llist_del_element(&mh->easyh, z_ch, (int (*)(void *, void *))curl_compare_objects);
171 }
172
173 RETURN_LONG((zend_long) error);
174 }
175 /* }}} */
176
177 /* {{{ Get all the sockets associated with the cURL extension, which can then be "selected" */
PHP_FUNCTION(curl_multi_select)178 PHP_FUNCTION(curl_multi_select)
179 {
180 zval *z_mh;
181 php_curlm *mh;
182 double timeout = 1.0;
183 int numfds = 0;
184 CURLMcode error = CURLM_OK;
185
186 ZEND_PARSE_PARAMETERS_START(1,2)
187 Z_PARAM_OBJECT_OF_CLASS(z_mh, curl_multi_ce)
188 Z_PARAM_OPTIONAL
189 Z_PARAM_DOUBLE(timeout)
190 ZEND_PARSE_PARAMETERS_END();
191
192 mh = Z_CURL_MULTI_P(z_mh);
193
194 if (!(timeout >= 0.0 && timeout <= ((double)INT_MAX / 1000.0))) {
195 php_error_docref(NULL, E_WARNING, "timeout must be between 0 and %d", (int)ceilf((double)INT_MAX / 1000));
196 #ifdef CURLM_BAD_FUNCTION_ARGUMENT
197 SAVE_CURLM_ERROR(mh, CURLM_BAD_FUNCTION_ARGUMENT);
198 #endif
199 RETURN_LONG(-1);
200 }
201
202 error = curl_multi_wait(mh->multi, NULL, 0, (int) (timeout * 1000.0), &numfds);
203 if (CURLM_OK != error) {
204 SAVE_CURLM_ERROR(mh, error);
205 RETURN_LONG(-1);
206 }
207
208 RETURN_LONG(numfds);
209 }
210 /* }}} */
211
212 /* {{{ Run the sub-connections of the current cURL handle */
PHP_FUNCTION(curl_multi_exec)213 PHP_FUNCTION(curl_multi_exec)
214 {
215 zval *z_mh;
216 zval *z_still_running;
217 php_curlm *mh;
218 int still_running;
219 CURLMcode error = CURLM_OK;
220
221 ZEND_PARSE_PARAMETERS_START(2, 2)
222 Z_PARAM_OBJECT_OF_CLASS(z_mh, curl_multi_ce)
223 Z_PARAM_ZVAL(z_still_running)
224 ZEND_PARSE_PARAMETERS_END();
225
226 mh = Z_CURL_MULTI_P(z_mh);
227
228 {
229 zend_llist_position pos;
230 php_curl *ch;
231 zval *pz_ch;
232
233 for (pz_ch = (zval *)zend_llist_get_first_ex(&mh->easyh, &pos); pz_ch;
234 pz_ch = (zval *)zend_llist_get_next_ex(&mh->easyh, &pos)) {
235 ch = Z_CURL_P(pz_ch);
236
237 _php_curl_verify_handlers(ch, /* reporterror */ true);
238 }
239 }
240
241 still_running = zval_get_long(z_still_running);
242 error = curl_multi_perform(mh->multi, &still_running);
243 ZEND_TRY_ASSIGN_REF_LONG(z_still_running, still_running);
244
245 SAVE_CURLM_ERROR(mh, error);
246 RETURN_LONG((zend_long) error);
247 }
248 /* }}} */
249
250 /* {{{ Return the content of a cURL handle if CURLOPT_RETURNTRANSFER is set */
PHP_FUNCTION(curl_multi_getcontent)251 PHP_FUNCTION(curl_multi_getcontent)
252 {
253 zval *z_ch;
254 php_curl *ch;
255
256 ZEND_PARSE_PARAMETERS_START(1, 1)
257 Z_PARAM_OBJECT_OF_CLASS(z_ch, curl_ce)
258 ZEND_PARSE_PARAMETERS_END();
259
260 ch = Z_CURL_P(z_ch);
261
262 if (ch->handlers.write->method == PHP_CURL_RETURN) {
263 if (!ch->handlers.write->buf.s) {
264 RETURN_EMPTY_STRING();
265 }
266 smart_str_0(&ch->handlers.write->buf);
267 RETURN_STR_COPY(ch->handlers.write->buf.s);
268 }
269
270 RETURN_NULL();
271 }
272 /* }}} */
273
274 /* {{{ Get information about the current transfers */
PHP_FUNCTION(curl_multi_info_read)275 PHP_FUNCTION(curl_multi_info_read)
276 {
277 zval *z_mh;
278 php_curlm *mh;
279 CURLMsg *tmp_msg;
280 int queued_msgs;
281 zval *zmsgs_in_queue = NULL;
282 php_curl *ch;
283
284 ZEND_PARSE_PARAMETERS_START(1, 2)
285 Z_PARAM_OBJECT_OF_CLASS(z_mh, curl_multi_ce)
286 Z_PARAM_OPTIONAL
287 Z_PARAM_ZVAL(zmsgs_in_queue)
288 ZEND_PARSE_PARAMETERS_END();
289
290 mh = Z_CURL_MULTI_P(z_mh);
291
292 tmp_msg = curl_multi_info_read(mh->multi, &queued_msgs);
293 if (tmp_msg == NULL) {
294 RETURN_FALSE;
295 }
296
297 if (zmsgs_in_queue) {
298 ZEND_TRY_ASSIGN_REF_LONG(zmsgs_in_queue, queued_msgs);
299 }
300
301 array_init(return_value);
302 add_assoc_long(return_value, "msg", tmp_msg->msg);
303 add_assoc_long(return_value, "result", tmp_msg->data.result);
304
305 /* find the original easy curl handle */
306 {
307 zval *pz_ch = _php_curl_multi_find_easy_handle(mh, tmp_msg->easy_handle);
308 if (pz_ch != NULL) {
309 /* we must save result to be able to read error message */
310 ch = Z_CURL_P(pz_ch);
311 SAVE_CURL_ERROR(ch, tmp_msg->data.result);
312
313 Z_ADDREF_P(pz_ch);
314 add_assoc_zval(return_value, "handle", pz_ch);
315 }
316 }
317 }
318 /* }}} */
319
320 /* {{{ Close a set of cURL handles */
PHP_FUNCTION(curl_multi_close)321 PHP_FUNCTION(curl_multi_close)
322 {
323 php_curlm *mh;
324 zval *z_mh;
325
326 zend_llist_position pos;
327 zval *pz_ch;
328
329 ZEND_PARSE_PARAMETERS_START(1,1)
330 Z_PARAM_OBJECT_OF_CLASS(z_mh, curl_multi_ce)
331 ZEND_PARSE_PARAMETERS_END();
332
333 mh = Z_CURL_MULTI_P(z_mh);
334
335 for (pz_ch = (zval *)zend_llist_get_first_ex(&mh->easyh, &pos); pz_ch;
336 pz_ch = (zval *)zend_llist_get_next_ex(&mh->easyh, &pos)) {
337 php_curl *ch = Z_CURL_P(pz_ch);
338 _php_curl_verify_handlers(ch, /* reporterror */ true);
339 curl_multi_remove_handle(mh->multi, ch->cp);
340 }
341 zend_llist_clean(&mh->easyh);
342 }
343 /* }}} */
344
345 /* {{{ Return an integer containing the last multi curl error number */
PHP_FUNCTION(curl_multi_errno)346 PHP_FUNCTION(curl_multi_errno)
347 {
348 zval *z_mh;
349 php_curlm *mh;
350
351 ZEND_PARSE_PARAMETERS_START(1,1)
352 Z_PARAM_OBJECT_OF_CLASS(z_mh, curl_multi_ce)
353 ZEND_PARSE_PARAMETERS_END();
354
355 mh = Z_CURL_MULTI_P(z_mh);
356
357 RETURN_LONG(mh->err.no);
358 }
359 /* }}} */
360
361 /* {{{ return string describing error code */
PHP_FUNCTION(curl_multi_strerror)362 PHP_FUNCTION(curl_multi_strerror)
363 {
364 zend_long code;
365 const char *str;
366
367 ZEND_PARSE_PARAMETERS_START(1,1)
368 Z_PARAM_LONG(code)
369 ZEND_PARSE_PARAMETERS_END();
370
371 str = curl_multi_strerror(code);
372 if (str) {
373 RETURN_STRING(str);
374 } else {
375 RETURN_NULL();
376 }
377 }
378 /* }}} */
379
380 #if LIBCURL_VERSION_NUM >= 0x072C00 /* Available since 7.44.0 */
381
_php_server_push_callback(CURL * parent_ch,CURL * easy,size_t num_headers,struct curl_pushheaders * push_headers,void * userp)382 static int _php_server_push_callback(CURL *parent_ch, CURL *easy, size_t num_headers, struct curl_pushheaders *push_headers, void *userp) /* {{{ */
383 {
384 php_curl *ch;
385 php_curl *parent;
386 php_curlm *mh = (php_curlm *)userp;
387 size_t rval = CURL_PUSH_DENY;
388 php_curl_callback *t = mh->handlers.server_push;
389 zval *pz_parent_ch = NULL;
390 zval pz_ch;
391 zval headers;
392 zval retval;
393 char *header;
394 zend_result error;
395 zend_fcall_info fci = empty_fcall_info;
396
397 pz_parent_ch = _php_curl_multi_find_easy_handle(mh, parent_ch);
398 if (pz_parent_ch == NULL) {
399 return rval;
400 }
401
402 if (UNEXPECTED(zend_fcall_info_init(&t->func_name, 0, &fci, &t->fci_cache, NULL, NULL) == FAILURE)) {
403 php_error_docref(NULL, E_WARNING, "Cannot call the CURLMOPT_PUSHFUNCTION");
404 return rval;
405 }
406
407 parent = Z_CURL_P(pz_parent_ch);
408
409 ch = init_curl_handle_into_zval(&pz_ch);
410 ch->cp = easy;
411 _php_setup_easy_copy_handlers(ch, parent);
412
413 size_t i;
414 array_init(&headers);
415 for(i=0; i<num_headers; i++) {
416 header = curl_pushheader_bynum(push_headers, i);
417 add_next_index_string(&headers, header);
418 }
419
420 ZEND_ASSERT(pz_parent_ch);
421 zval call_args[3] = {*pz_parent_ch, pz_ch, headers};
422
423 fci.param_count = 3;
424 fci.params = call_args;
425 fci.retval = &retval;
426
427 error = zend_call_function(&fci, &t->fci_cache);
428 zval_ptr_dtor_nogc(&headers);
429
430 if (error == FAILURE) {
431 php_error_docref(NULL, E_WARNING, "Cannot call the CURLMOPT_PUSHFUNCTION");
432 } else if (!Z_ISUNDEF(retval)) {
433 if (CURL_PUSH_DENY != zval_get_long(&retval)) {
434 rval = CURL_PUSH_OK;
435 zend_llist_add_element(&mh->easyh, &pz_ch);
436 } else {
437 /* libcurl will free this easy handle, avoid double free */
438 ch->cp = NULL;
439 }
440 }
441
442 return rval;
443 }
444 /* }}} */
445
446 #endif
447
_php_curl_multi_setopt(php_curlm * mh,zend_long option,zval * zvalue,zval * return_value)448 static bool _php_curl_multi_setopt(php_curlm *mh, zend_long option, zval *zvalue, zval *return_value) /* {{{ */
449 {
450 CURLMcode error = CURLM_OK;
451
452 switch (option) {
453 case CURLMOPT_PIPELINING:
454 case CURLMOPT_MAXCONNECTS:
455 #if LIBCURL_VERSION_NUM >= 0x071e00 /* 7.30.0 */
456 case CURLMOPT_CHUNK_LENGTH_PENALTY_SIZE:
457 case CURLMOPT_CONTENT_LENGTH_PENALTY_SIZE:
458 case CURLMOPT_MAX_HOST_CONNECTIONS:
459 case CURLMOPT_MAX_PIPELINE_LENGTH:
460 case CURLMOPT_MAX_TOTAL_CONNECTIONS:
461 #endif
462 #if LIBCURL_VERSION_NUM >= 0x074300 /* Available since 7.67.0 */
463 case CURLMOPT_MAX_CONCURRENT_STREAMS:
464 #endif
465 {
466 zend_long lval = zval_get_long(zvalue);
467
468 if (option == CURLMOPT_PIPELINING && (lval & 1)) {
469 #if LIBCURL_VERSION_NUM >= 0x073e00 /* 7.62.0 */
470 php_error_docref(NULL, E_WARNING, "CURLPIPE_HTTP1 is no longer supported");
471 #else
472 php_error_docref(NULL, E_DEPRECATED, "CURLPIPE_HTTP1 is deprecated");
473 #endif
474 }
475 error = curl_multi_setopt(mh->multi, option, lval);
476 break;
477 }
478 #if LIBCURL_VERSION_NUM > 0x072D00 /* Available since 7.45.0 */
479 case CURLMOPT_PUSHFUNCTION:
480 if (mh->handlers.server_push == NULL) {
481 mh->handlers.server_push = ecalloc(1, sizeof(php_curl_callback));
482 } else if (!Z_ISUNDEF(mh->handlers.server_push->func_name)) {
483 zval_ptr_dtor(&mh->handlers.server_push->func_name);
484 mh->handlers.server_push->fci_cache = empty_fcall_info_cache;
485 }
486
487 ZVAL_COPY(&mh->handlers.server_push->func_name, zvalue);
488 error = curl_multi_setopt(mh->multi, CURLMOPT_PUSHFUNCTION, _php_server_push_callback);
489 if (error != CURLM_OK) {
490 return false;
491 }
492 error = curl_multi_setopt(mh->multi, CURLMOPT_PUSHDATA, mh);
493 break;
494 #endif
495 default:
496 zend_argument_value_error(2, "is not a valid cURL multi option");
497 error = CURLM_UNKNOWN_OPTION;
498 break;
499 }
500
501 SAVE_CURLM_ERROR(mh, error);
502
503 return error == CURLM_OK;
504 }
505 /* }}} */
506
507 /* {{{ Set an option for the curl multi handle */
PHP_FUNCTION(curl_multi_setopt)508 PHP_FUNCTION(curl_multi_setopt)
509 {
510 zval *z_mh, *zvalue;
511 zend_long options;
512 php_curlm *mh;
513
514 ZEND_PARSE_PARAMETERS_START(3,3)
515 Z_PARAM_OBJECT_OF_CLASS(z_mh, curl_multi_ce)
516 Z_PARAM_LONG(options)
517 Z_PARAM_ZVAL(zvalue)
518 ZEND_PARSE_PARAMETERS_END();
519
520 mh = Z_CURL_MULTI_P(z_mh);
521
522 if (_php_curl_multi_setopt(mh, options, zvalue, return_value)) {
523 RETURN_TRUE;
524 } else {
525 RETURN_FALSE;
526 }
527 }
528 /* }}} */
529
530 /* CurlMultiHandle class */
531
curl_multi_create_object(zend_class_entry * class_type)532 static zend_object *curl_multi_create_object(zend_class_entry *class_type) {
533 php_curlm *intern = zend_object_alloc(sizeof(php_curlm), class_type);
534
535 zend_object_std_init(&intern->std, class_type);
536 object_properties_init(&intern->std, class_type);
537
538 return &intern->std;
539 }
540
curl_multi_get_constructor(zend_object * object)541 static zend_function *curl_multi_get_constructor(zend_object *object) {
542 zend_throw_error(NULL, "Cannot directly construct CurlMultiHandle, use curl_multi_init() instead");
543 return NULL;
544 }
545
curl_multi_free_obj(zend_object * object)546 static void curl_multi_free_obj(zend_object *object)
547 {
548 php_curlm *mh = curl_multi_from_obj(object);
549
550 zend_llist_position pos;
551 php_curl *ch;
552 zval *pz_ch;
553
554 if (!mh->multi) {
555 /* Can happen if constructor throws. */
556 zend_object_std_dtor(&mh->std);
557 return;
558 }
559
560 for (pz_ch = (zval *)zend_llist_get_first_ex(&mh->easyh, &pos); pz_ch;
561 pz_ch = (zval *)zend_llist_get_next_ex(&mh->easyh, &pos)) {
562 if (!(OBJ_FLAGS(Z_OBJ_P(pz_ch)) & IS_OBJ_FREE_CALLED)) {
563 ch = Z_CURL_P(pz_ch);
564 _php_curl_verify_handlers(ch, /* reporterror */ false);
565 }
566 }
567
568 curl_multi_cleanup(mh->multi);
569 zend_llist_clean(&mh->easyh);
570 if (mh->handlers.server_push) {
571 zval_ptr_dtor(&mh->handlers.server_push->func_name);
572 efree(mh->handlers.server_push);
573 }
574
575 zend_object_std_dtor(&mh->std);
576 }
577
curl_multi_get_gc(zend_object * object,zval ** table,int * n)578 static HashTable *curl_multi_get_gc(zend_object *object, zval **table, int *n)
579 {
580 php_curlm *curl_multi = curl_multi_from_obj(object);
581
582 zend_get_gc_buffer *gc_buffer = zend_get_gc_buffer_create();
583
584 if (curl_multi->handlers.server_push) {
585 zend_get_gc_buffer_add_zval(gc_buffer, &curl_multi->handlers.server_push->func_name);
586 }
587
588 zend_llist_position pos;
589 for (zval *pz_ch = (zval *) zend_llist_get_first_ex(&curl_multi->easyh, &pos); pz_ch;
590 pz_ch = (zval *) zend_llist_get_next_ex(&curl_multi->easyh, &pos)) {
591 zend_get_gc_buffer_add_zval(gc_buffer, pz_ch);
592 }
593
594 zend_get_gc_buffer_use(gc_buffer, table, n);
595
596 return zend_std_get_properties(object);
597 }
598
599 static zend_object_handlers curl_multi_handlers;
600
curl_multi_register_handlers(void)601 void curl_multi_register_handlers(void) {
602 curl_multi_ce->create_object = curl_multi_create_object;
603 curl_multi_ce->default_object_handlers = &curl_multi_handlers;
604
605 memcpy(&curl_multi_handlers, &std_object_handlers, sizeof(zend_object_handlers));
606 curl_multi_handlers.offset = XtOffsetOf(php_curlm, std);
607 curl_multi_handlers.free_obj = curl_multi_free_obj;
608 curl_multi_handlers.get_gc = curl_multi_get_gc;
609 curl_multi_handlers.get_constructor = curl_multi_get_constructor;
610 curl_multi_handlers.clone_obj = NULL;
611 curl_multi_handlers.cast_object = curl_cast_object;
612 curl_multi_handlers.compare = zend_objects_not_comparable;
613 }
614
