$sth->execute( $ref->[0], $ref->[1], $ref->[2], $ref->[3]) ;

##</code><code>##

$sth->execute( @$ref );

##</code><code>##

$"=$,,$_=q>|\p4<6 8p<M/_|<('=>
.q>.<4-KI<l|2$<6%s!<qn#F<>;$,
.=pack'N*',"@{[unpack'C*',$_]
}"for split/</;$_=$,,y[A-Z a-z]
         {}cd;print lc