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<?php defined('SYSPATH') or die('No direct script access.');
/**
* UTF8::substr_replace
*
* @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 _substr_replace($str, $replacement, $offset, $length = NULL)
{
if (UTF8::is_ascii($str))
return ($length === NULL) ? substr_replace($str, $replacement, $offset) : substr_replace($str, $replacement, $offset, $length);
$length = ($length === NULL) ? UTF8::strlen($str) : (int) $length;
preg_match_all('/./us', $str, $str_array);
preg_match_all('/./us', $replacement, $replacement_array);
array_splice($str_array[0], $offset, $length, $replacement_array[0]);
return implode('', $str_array[0]);
}
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