Online PHP editor | refs for fL8Dp

@ 2023-05-21T00:26:25Z

<?php

$result = [];
foreach ([0, '', null, false, ' ', '0', .0] as $v) {
    $k = match(true) {
        $v != null => '!= null',
        $v == null => '== null',
        // This should never occur.
        default => '?',
    };
    $result[$k][] = $v;
}

var_export($result);