Случайное изменение имени файла - CSS-хитрости

function randomizeFileName( $real_file_name ) ( $name_parts = @explode( ".", $real_file_name ); $ext = ""; if ( count( $name_parts ) > 0 ) ( $ext = $name_parts(count( $name_parts ) - 1); ) return substr(md5(uniqid(rand(),1)), -16) . "." . $ext; )