note 56147 added to function.opendir

So what does this do in the script(s)? $file != "." && $file != ".." I should explain, I want to know because I'm trying to exclude any .swf files in the directories I open.. and cannot figure out how. ---- Manual Page -- http://www.php.net/manual/en/function.opendir.php Edit -- http://master.php.net/manage/user-notes.php?action=edit+56147 Delete: added to the manual -- http://master.php.net/manage/user-notes.php?action=delete+56147&report=yes&reason=added+to+the+manual Delete: bad code -- http://master.php.net/manage/user-notes.php?action=delete+56147&report=yes&reason=bad+code Delete: spam -- http://master.php.net/manage/user-notes.php?action=delete+56147&report=yes&reason=spam Delete: useless -- http://master.php.net/manage/user-notes.php?action=delete+56147&report=yes&reason=useless Delete: non-english -- http://master.php.net/manage/user-notes.php?action=delete+56147&report=yes&reason=non-english Delete: other reasons -- http://master.php.net/manage/user-notes.php?action=delete+56147&report=yes Reject -- http://master.php.net/manage/user-notes.php?action=reject+56147&report=yes Search -- http://master.php.net/manage/user-notes.php