function get_image_info($target, $allowswf = false) { $ext = discuz_upload::fileext($target); $isimage = discuz_upload::is_image_ext($ext); if(!$isimage && ($ext != 'swf' || !$allowswf)) { return false; } elseif(!is_readable($target)) { return false; } elseif($imageinfo = @getimagesize($target)) { list($width, $height, $type) = !empty($imageinfo) ? $imageinfo : array('', '', ''); $size = $width * $height; if($size > 16777216 || $size < 16 ) { return false; } elseif($ext == 'swf' && $type != 4 && $type != 13) { return false; } elseif($isimage && !in_array($type, array(1,2,3,6,13))) { return false; } return $imageinfo; } else { return false; }} |