3v4l.org

run code in 300+ PHP versions simultaneously
<?php $in = [ [1, 2], [1, 1], [2, 1] ]; foreach ($in as $pair) { list($a, $b) = $pair; var_dump([$a, $b, $a <=> $b]); }

preferences:
53.49 ms | 402 KiB | 5 Q