how to delete file when user press cancel button in dialog (download file) i use this code to auto download zip file from server header("Pragma: public"); header("Expires: 0"); header("Cache-Control: must-revalidate, post-check=0, pre-check=0"); header("Cache-Control: private",false); header("Content-Type: application/zip"); header("Content-Disposition: attachment; filename=".basename($archiveName).";" ); header("Content-Transfer-Encoding: binary"); header("Content-Length: ".filesize($archiveName) PHP: when user cancel download i want to delete this file i put this code after that unlink($archiveName); PHP: but it's not work in case cancel in save its work