sub blah
{
  my ( $foo, $bar, $baz ) = ( shift, shift );
}

##</code><code>##

shazam ( 0, 6, 7, $index, $arrayref, $hashref );

...

sub shazam {
  my ( $foo, $bar, $baz, $bup, $quz, $pig, $cow ) = (shift, shift, shift, shift, shift, shift);
}