note 50844 added to function.header

Hello. is there any way to check if file was downloaded sucessfully or download was canceled/interrupted ... the download forced by those standard rows below... does script receive anything back & if so can i handle that somehow ? Header("Content-disposition: filename=UserList.txt"); Header("Content-type: application/octetstream"); ---- Manual Page -- http://www.php.net/manual/en/function.header.php Edit -- http://master.php.net/manage/user-notes.php?action=edit+50844 Delete: added to the manual -- http://master.php.net/manage/user-notes.php?action=delete+50844&report=yes&reason=added+to+the+manual Delete: bad code -- http://master.php.net/manage/user-notes.php?action=delete+50844&report=yes&reason=bad+code Delete: spam -- http://master.php.net/manage/user-notes.php?action=delete+50844&report=yes&reason=spam Delete: useless -- http://master.php.net/manage/user-notes.php?action=delete+50844&report=yes&reason=useless Delete: other reasons -- http://master.php.net/manage/user-notes.php?action=delete+50844&report=yes Reject -- http://master.php.net/manage/user-notes.php?action=reject+50844&report=yes Search -- http://master.php.net/manage/user-notes.php