3v4l.org

run code in 300+ PHP versions simultaneously
<?php $options = [ [1, 1], [0, 1], [0, 2], ]; foreach ($options as $val) { $a = ($val[0] ?: $val[1]); $b = ($val[0] || $val[1]); $c = ($val[0] OR $val[1]); echo "Trying {$val[0]}:{$val[1]} -> \n"; var_dump($a, $b, $c); echo "\n"; }

preferences:
47.42 ms | 402 KiB | 5 Q