From fa10e0945ecd45bfe78a2c8fb015a43092b4944b Mon Sep 17 00:00:00 2001
From: plegall <plg@piwigo.org>
Date: Thu, 10 Dec 2015 14:02:22 +0100
Subject: bug #385 update to smarty-3.1.28-dev (from Github)

---
 .../smarty/libs/plugins/modifier.regex_replace.php | 35 ++++++++++++----------
 1 file changed, 19 insertions(+), 16 deletions(-)

(limited to 'include/smarty/libs/plugins/modifier.regex_replace.php')

diff --git a/include/smarty/libs/plugins/modifier.regex_replace.php b/include/smarty/libs/plugins/modifier.regex_replace.php
index f9fd5fa53..ffea16755 100644
--- a/include/smarty/libs/plugins/modifier.regex_replace.php
+++ b/include/smarty/libs/plugins/modifier.regex_replace.php
@@ -2,39 +2,43 @@
 /**
  * Smarty plugin
  *
- * @package Smarty
+ * @package    Smarty
  * @subpackage PluginsModifier
  */
 
 /**
  * Smarty regex_replace modifier plugin
- *
  * Type:     modifier<br>
  * Name:     regex_replace<br>
  * Purpose:  regular expression search/replace
  *
- * @link http://smarty.php.net/manual/en/language.modifier.regex.replace.php
+ * @link    http://smarty.php.net/manual/en/language.modifier.regex.replace.php
  *          regex_replace (Smarty online manual)
- * @author Monte Ohrt <monte at ohrt dot com>
- * @param string       $string   input string
- * @param string|array $search   regular expression(s) to search for
- * @param string|array $replace  string(s) that should be replaced
+ * @author  Monte Ohrt <monte at ohrt dot com>
+ *
+ * @param string       $string  input string
+ * @param string|array $search  regular expression(s) to search for
+ * @param string|array $replace string(s) that should be replaced
+ * @param int          $limit   the maximum number of replacements
+ *
  * @return string
  */
-function smarty_modifier_regex_replace($string, $search, $replace)
+function smarty_modifier_regex_replace($string, $search, $replace, $limit = -1)
 {
-    if(is_array($search)) {
-        foreach($search as $idx => $s) {
+    if (is_array($search)) {
+        foreach ($search as $idx => $s) {
             $search[$idx] = _smarty_regex_replace_check($s);
         }
     } else {
         $search = _smarty_regex_replace_check($search);
     }
-    return preg_replace($search, $replace, $string);
+
+    return preg_replace($search, $replace, $string, $limit);
 }
 
 /**
  * @param  string $search string(s) that should be replaced
+ *
  * @return string
  * @ignore
  */
@@ -42,14 +46,13 @@ function _smarty_regex_replace_check($search)
 {
     // null-byte injection detection
     // anything behind the first null-byte is ignored
-    if (($pos = strpos($search,"\0")) !== false) {
-        $search = substr($search,0,$pos);
+    if (($pos = strpos($search, "\0")) !== false) {
+        $search = substr($search, 0, $pos);
     }
     // remove eval-modifier from $search
     if (preg_match('!([a-zA-Z\s]+)$!s', $search, $match) && (strpos($match[1], 'e') !== false)) {
-        $search = substr($search, 0, -strlen($match[1])) . preg_replace('![e\s]+!', '', $match[1]);
+        $search = substr($search, 0, - strlen($match[1])) . preg_replace('![e\s]+!', '', $match[1]);
     }
+
     return $search;
 }
-
-?>
\ No newline at end of file
-- 
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