note 114952 added to function.filesize

The simplest and most efficient implemention for getting remote filesize: <?php function remote_filesize($url) { static $regex = '/^Content-Length: *+\K\d++$/im'; if (!$fp = @fopen($url, 'rb')) { return false; } if ( isset($http_response_header) && preg_match($regex, implode("\n", $http_response_header), $matches) ) { return (int)$matches[0]; } return strlen(stream_get_contents($fp)); } ?> ---- Server IP: 46.17.113.2 Probable Submitter: 219.209.194.119 ---- Manual Page -- http://php.net/manual/en/function.filesize.php Edit -- https://master.php.net/note/edit/114952 Del: integrated -- https://master.php.net/note/delete/114952/integrated Del: useless -- https://master.php.net/note/delete/114952/useless Del: bad code -- https://master.php.net/note/delete/114952/bad+code Del: spam -- https://master.php.net/note/delete/114952/spam Del: non-english -- https://master.php.net/note/delete/114952/non-english Del: in docs -- https://master.php.net/note/delete/114952/in+docs Del: other reasons-- https://master.php.net/note/delete/114952 Reject -- https://master.php.net/note/reject/114952 Search -- https://master.php.net/manage/user-notes.php