<?php
/*
 * $RCSfile: DebugHelper.class,v $
 *
 * Gallery - a web based photo album viewer and editor
 * Copyright (C) 2000-2005 Bharat Mediratta
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at
 * your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
 */

/**
 * @version $Revision: 1.7 $ $Date: 2005/08/23 03:49:41 $
 * @package Debug
 * @subpackage Classes
 * @author Ernesto Baschny <ernst@baschny.de>
 */

/**
 * Contains functions that the debug module might need
 *
 * @package Debug
 * @subpackage UserInterface
 * @abstract
 */
class DebugHelper {

    /**
     * Filter the keys of an array using a regular expression.
     *
     * @param array key => values, keys will be filtered
     * @param string regular expression
     * @return array
     * @static
     */
    function filterMembers($members, $filter) {
	if (!empty($filter)) {
	    $newMembers = array();
	    foreach ($members as $member => $data) {
		if (preg_match("/" . $filter . "/i", $member)) {
		    $newMembers[$member] = $data;
		}
	    }
	    $members = $newMembers;
	}
	return $members;
    }

}
?>