batufa/system/utf8/ltrim.php

22 lines
510 B
PHP

<?php
/**
* utf8::ltrim
*
* @package Kohana
* @author Kohana Team
* @copyright (c) 2007-2008 Kohana Team
* @copyright (c) 2005 Harry Fuecks
* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt
*/
function _ltrim($str, $charlist = NULL)
{
if ($charlist === NULL)
return ltrim($str);
if (utf8::is_ascii($charlist))
return ltrim($str, $charlist);
$charlist = preg_replace('#[-\[\]:\\\\^/]#', '\\\\$0', $charlist);
return preg_replace('/^['.$charlist.']+/u', '', $str);
}