( ( $fred == 42) ? ( $config = 'k1') : ( $config ) ) = 'k2'; 

##</code><code>##

( $fred == 42 ) ? ( $config = 'k1' ) : ( $config = 'k2' );

##</code><code>##

$lo = $hi = 0; 
$x = 7; $mid = 5; 

$x < $mid ? $lo : $hi = $x; 

print "lo:$lo hi:$hi";;
lo:0 hi:7