note 104473 added to function.imagecreatefromgif

An updated is_ani based on issues reported here and elsewhere <?php function is_ani($filename) { if(!($fh = @fopen($filename, 'rb'))) return false; $count = 0; //an animated gif contains multiple "frames", with each frame having a //header made up of: // * a static 4-byte sequence (\x00\x21\xF9\x04) // * 4 variable bytes // * a static 2-byte sequence (\x00\x2C) (some variants may use \x00\x21 ?) // We read through the file til we reach the end of the file, or we've found // at least 2 frame headers while(!feof($fh) && $count < 2) { $chunk = fread($fh, 1024 * 100); //read 100kb at a time $count += preg_match_all('#\x00\x21\xF9\x04.{4}\x00(\x2C|\x21)#s', $chunk, $matches); } fclose($fh); return $count > 1; } ?> ---- Server IP: 69.147.83.197 Probable Submitter: 208.66.27.58 ---- Manual Page -- http://www.php.net/manual/en/function.imagecreatefromgif.php Edit -- https://master.php.net/note/edit/104473 Del: integrated -- https://master.php.net/note/delete/104473/integrated Del: useless -- https://master.php.net/note/delete/104473/useless Del: bad code -- https://master.php.net/note/delete/104473/bad+code Del: spam -- https://master.php.net/note/delete/104473/spam Del: non-english -- https://master.php.net/note/delete/104473/non-english Del: in docs -- https://master.php.net/note/delete/104473/in+docs Del: other reasons-- https://master.php.net/note/delete/104473 Reject -- https://master.php.net/note/reject/104473 Search -- https://master.php.net/manage/user-notes.php