RemoveBackup.php

<?php 
#**************************************************************************
#  openSIS is a free student information system for public and non-public 
#  schools from Open Solutions for Education, Inc. web: www.os4ed.com
#
#  openSIS is  web-based, open source, and comes packed with features that 
#  include student demographic info, scheduling, grade book, attendance, 
#  report cards, eligibility, transcripts, parent portal, 
#  student portal and more.   
#
#  Visit the openSIS web site at http://www.opensis.com to learn more.
#  If you have question regarding this system or the license, please send 
#  an email to info@os4ed.com.
#
#  This program is released under the terms of the GNU General Public License as  
#  published by the Free Software Foundation, version 2 of the License. 
#  See license.txt.
#
#  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, see <http://www.gnu.org/licenses/>.
#
#***************************************************************************************

function ListFiles($dir) {
    if($dh = opendir($dir)) {

        $files = Array();
        $inner_files = Array();
        while($file = readdir($dh)) {
            if($file != "." && $file != ".." && $file[0] != '.') {
                if(is_dir($dir . "/" . $file)) {
                    $inner_files = ListFiles($dir . "/" . $file);
                    if(is_array($inner_files)) $files = array_merge($files, $inner_files); 
                } else {
                    array_push($files, $dir . "/" . $file);
                }
            }
        }

        closedir($dh);
        return $files;
    }
}

foreach (ListFiles('.') as $key=>$file)
{
	$list=explode('/',$file);
	$count=count($list);
	$target=$list[$count-1];
	if(strpos($target,'.bak')==true)
	 {
	 	unlink($file);
	 }
    
	
}  
?>