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khosb/includes/kohana/system/utf8/str_split.php
2012-12-21 12:59:09 +11:00

27 lines
662 B
PHP

<?php defined('SYSPATH') OR die('No direct script access.');
/**
* UTF8::str_split
*
* @package Kohana
* @author Kohana Team
* @copyright (c) 2007-2012 Kohana Team
* @copyright (c) 2005 Harry Fuecks
* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt
*/
function _str_split($str, $split_length = 1)
{
$split_length = (int) $split_length;
if (UTF8::is_ascii($str))
return str_split($str, $split_length);
if ($split_length < 1)
return FALSE;
if (UTF8::strlen($str) <= $split_length)
return array($str);
preg_match_all('/.{'.$split_length.'}|[^\x00]{1,'.$split_length.'}$/us', $str, $matches);
return $matches[0];
}