xref: /PHP-7.1/ext/filter/callback_filter.c (revision ccd4716e)
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: Derick Rethans <derick@php.net>                             |
16   +----------------------------------------------------------------------+
17 */
18 
19 /* $Id$ */
20 
21 #include "php_filter.h"
22 
php_filter_callback(PHP_INPUT_FILTER_PARAM_DECL)23 void php_filter_callback(PHP_INPUT_FILTER_PARAM_DECL)
24 {
25 	zval retval;
26 	zval *args;
27 	int status;
28 
29 	if (!option_array || !zend_is_callable(option_array, IS_CALLABLE_CHECK_NO_ACCESS, NULL)) {
30 		php_error_docref(NULL, E_WARNING, "First argument is expected to be a valid callback");
31 		zval_ptr_dtor(value);
32 		ZVAL_NULL(value);
33 		return;
34 	}
35 
36 	args = safe_emalloc(sizeof(zval), 1, 0);
37 	ZVAL_COPY(&args[0], value);
38 	status = call_user_function_ex(EG(function_table), NULL, option_array, &retval, 1, args, 0, NULL);
39 
40 	if (status == SUCCESS && !Z_ISUNDEF(retval)) {
41 		zval_ptr_dtor(value);
42 		ZVAL_COPY_VALUE(value, &retval);
43 	} else {
44 		zval_ptr_dtor(value);
45 		ZVAL_NULL(value);
46 	}
47 
48 	zval_ptr_dtor(&args[0]);
49 	efree(args);
50 }
51 
52 /*
53  * Local variables:
54  * tab-width: 4
55  * c-basic-offset: 4
56  * End:
57  * vim600: noet sw=4 ts=4 fdm=marker
58  * vim<600: noet sw=4 ts=4
59  */
60