$m = explode( ':', $data ); // <session, key, command, type, values>
if ( count( $m ) == 5 ) {
list( $session, $key, $command, $type, $values ) = $m;
$m = explode( ':', $data ); // <session, key, command, type, values>
if ( count( $m ) == 5 ) {
list( $session, $key, $command, $type, $values ) = $m;