source: trunk/include/smarty/libs/plugins/modifier.regex_replace.php @ 23384

Last change on this file since 23384 was 23384, checked in by rvelices, 11 years ago

smarty 3 - first pass for tests

  • Property svn:eol-style set to LF
File size: 1.5 KB
Line 
1<?php
2/**
3 * Smarty plugin
4 *
5 * @package Smarty
6 * @subpackage PluginsModifier
7 */
8
9/**
10 * Smarty regex_replace modifier plugin
11 *
12 * Type:     modifier<br>
13 * Name:     regex_replace<br>
14 * Purpose:  regular expression search/replace
15 *
16 * @link http://smarty.php.net/manual/en/language.modifier.regex.replace.php
17 *          regex_replace (Smarty online manual)
18 * @author Monte Ohrt <monte at ohrt dot com>
19 * @param string       $string   input string
20 * @param string|array $search   regular expression(s) to search for
21 * @param string|array $replace  string(s) that should be replaced
22 * @return string
23 */
24function smarty_modifier_regex_replace($string, $search, $replace)
25{
26    if(is_array($search)) {
27        foreach($search as $idx => $s) {
28            $search[$idx] = _smarty_regex_replace_check($s);
29        }
30    } else {
31        $search = _smarty_regex_replace_check($search);
32    }
33    return preg_replace($search, $replace, $string);
34}
35
36/**
37 * @param  string $search string(s) that should be replaced
38 * @return string
39 * @ignore
40 */
41function _smarty_regex_replace_check($search)
42{
43    // null-byte injection detection
44    // anything behind the first null-byte is ignored
45    if (($pos = strpos($search,"\0")) !== false) {
46        $search = substr($search,0,$pos);
47    }
48    // remove eval-modifier from $search
49    if (preg_match('!([a-zA-Z\s]+)$!s', $search, $match) && (strpos($match[1], 'e') !== false)) {
50        $search = substr($search, 0, -strlen($match[1])) . preg_replace('![e\s]+!', '', $match[1]);
51    }
52    return $search;
53}
54
55?>
Note: See TracBrowser for help on using the repository browser.