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-rw-r--r--library/Smarty/libs/plugins/modifier.regex_replace.php55
1 files changed, 55 insertions, 0 deletions
diff --git a/library/Smarty/libs/plugins/modifier.regex_replace.php b/library/Smarty/libs/plugins/modifier.regex_replace.php
new file mode 100644
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+++ b/library/Smarty/libs/plugins/modifier.regex_replace.php
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+<?php
+/**
+ * Smarty plugin
+ *
+ * @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
+ * 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 $replace string(s) that should be replaced
+ * @return string
+ */
+function smarty_modifier_regex_replace($string, $search, $replace)
+{
+ if(is_array($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);
+}
+
+/**
+ * @param string $search string(s) that should be replaced
+ * @return string
+ * @ignore
+ */
+function _smarty_regex_replace_check($search)
+{
+ // null-byte injection detection
+ // anything behind the first null-byte is ignored
+ if (($pos = strpos($search,"\0")) !== false) {
+ $search = substr($search,0,$pos);
+ }
+ // 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]);
+ }
+ return $search;
+}
+
+?> \ No newline at end of file