I find $a < $b ? $a : $b clearer than min ($a, $b). The former in unambiguous, the latter uses an ambiguous abbreviation. It's likely to return the minimum of both values, but perhaps it returns $a - $b, or (-$a, -$b). There's no doubt in $a < $b ? $a : $b, but there's some doubt in min ($a, $b).