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<?php /** * Smarty shared plugin * * @package Smarty * @subpackage PluginsShared */ if (!function_exists('smarty_mb_str_replace')) { /** * Multibyte string replace * * @param string|string[] $search the string to be searched * @param string|string[] $replace the replacement string * @param string $subject the source string * @param int &$count number of matches found * * @return string replaced string * @author Rodney Rehm */ function smarty_mb_str_replace($search, $replace, $subject, &$count = 0) { if (!is_array($search) && is_array($replace)) { return false; } if (is_array($subject)) { // call mb_replace for each single string in $subject foreach ($subject as &$string) { $string = smarty_mb_str_replace($search, $replace, $string, $c); $count += $c; } } elseif (is_array($search)) { if (!is_array($replace)) { foreach ($search as &$string) { $subject = smarty_mb_str_replace($string, $replace, $subject, $c); $count += $c; } } else { $n = max(count($search), count($replace)); while ($n--) { $subject = smarty_mb_str_replace(current($search), current($replace), $subject, $c); $count += $c; next($search); next($replace); } } } else { $mb_reg_charset = mb_regex_encoding(); // Check if mbstring regex is using UTF-8 $reg_is_unicode = !strcasecmp($mb_reg_charset, "UTF-8"); if(!$reg_is_unicode) { // ...and set to UTF-8 if not mb_regex_encoding("UTF-8"); } // See if charset used by Smarty is matching one used by regex... $current_charset = mb_regex_encoding(); $convert_result = (bool)strcasecmp(Smarty::$_CHARSET, $current_charset); if($convert_result) { // ...convert to it if not. $subject = mb_convert_encoding($subject, $current_charset, Smarty::$_CHARSET); $search = mb_convert_encoding($search, $current_charset, Smarty::$_CHARSET); $replace = mb_convert_encoding($replace, $current_charset, Smarty::$_CHARSET); } $parts = mb_split(preg_quote($search), $subject ?? "") ?: array(); // If original regex encoding was not unicode... if(!$reg_is_unicode) { // ...restore original regex encoding to avoid breaking the system. mb_regex_encoding($mb_reg_charset); } if($parts === false) { // This exception is thrown if call to mb_split failed. // Usually it happens, when $search or $replace are not valid for given mb_regex_encoding(). // There may be other cases for it to fail, please file an issue if you find a reproducible one. throw new SmartyException("Source string is not a valid $current_charset sequence (probably)"); } $count = count($parts) - 1; $subject = implode($replace, $parts); // Convert results back to charset used by Smarty, if needed. if($convert_result) { $subject = mb_convert_encoding($subject, Smarty::$_CHARSET, $current_charset); } } return $subject; } }