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<?php
/* --------------------------------------------------------------
StringHelperInterface.inc.php 2015-07-22 gm
Gambio GmbH
http://www.gambio.de
Copyright (c) 2015 Gambio GmbH
Released under the GNU General Public License (Version 2)
[http://www.gnu.org/licenses/gpl-2.0.html]
--------------------------------------------------------------
*/
/**
* Interface StringHelper
*
* @category System
* @package Extensions
* @subpackage Helpers
*/
interface StringHelperInterface
{
/**
* Converts NULL values to empty string inside an array
*
* @param array $array
*
* @return array
*/
public function convertNullValuesToStringInArray(array $array);
/**
* Returns a cleaned filename by removing or replacing invalid characters.
*
* @param string $p_filename
*
* @throws InvalidArgumentException if $p_filename is not a string
*
* @return string cleaned filename
*/
public function correctToValidFilename($p_filename);
}