Location: PHPKode > projects > Travelog > cliftonc-travelog-20c8822/system/core/utf8/str_split.php
<?php defined('SYSPATH') OR die('No direct access allowed.');
/**
 * utf8::str_split
 *
 * @package    Core
 * @author     Kohana Team
 * @copyright  (c) 2007 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];
}
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