root/filter/callback_filter.c

DEFINITIONS

1. php_filter_callback

/*
  +----------------------------------------------------------------------+
  | PHP Version 5                                                        |
  +----------------------------------------------------------------------+
  | Copyright (c) 1997-2013 The PHP Group                                |
  +----------------------------------------------------------------------+
  | This source file is subject to version 3.01 of the PHP license,      |
  | that is bundled with this package in the file LICENSE, and is        |
  | available through the world-wide-web at the following url:           |
  | http://www.php.net/license/3_01.txt                                  |
  | If you did not receive a copy of the PHP license and are unable to   |
  | obtain it through the world-wide-web, please send a note to          |
  | license@php.net so we can mail you a copy immediately.               |
  +----------------------------------------------------------------------+
  | Authors: Derick Rethans <derick@php.net>                             |
  +----------------------------------------------------------------------+
*/

/* $Id$ */

#include "php_filter.h"

void php_filter_callback(PHP_INPUT_FILTER_PARAM_DECL)
{
        zval *retval_ptr;
        zval ***args;
        int status;

        if (!option_array || !zend_is_callable(option_array, IS_CALLABLE_CHECK_NO_ACCESS, NULL TSRMLS_CC)) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "First argument is expected to be a valid callback");
                zval_dtor(value);
                Z_TYPE_P(value) = IS_NULL;
                return;
        }

        args = safe_emalloc(sizeof(zval **), 1, 0);
        args[0] = &value;
        
        status = call_user_function_ex(EG(function_table), NULL, option_array, &retval_ptr, 1, args, 0, NULL TSRMLS_CC);

        if (status == SUCCESS && retval_ptr != NULL) {
                if (retval_ptr != value) {
                        zval_dtor(value);
                        COPY_PZVAL_TO_ZVAL(*value, retval_ptr);
                } else {
                        zval_ptr_dtor(&retval_ptr);
                }
        } else {
                zval_dtor(value);
                Z_TYPE_P(value) = IS_NULL;
        }

        efree(args);
}

/*
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