Только id фото

        if( $prefix ) {
            $file_prefix = time() + rand( 1, 100 );
            $file_prefix.= "_";
        } else $file_prefix = "";

        $filename = totranslit( $file_prefix . $filename );

        if( $prefix ) {
            $file_prefix = time() + rand( 1, 100 );
            //$file_prefix.= "_";
        } else $file_prefix = "";

        //$filename = totranslit( $file_prefix . $filename );
        $filename = explode( ".", $filename );
        $filename = end( $filename );
        $filename = totranslit( $file_prefix . "." . $filename );