بوابة OR في ⁦VB.NET⁩ وPHP

1function lamp(array $post): string {
2    $allowed = ["on", "off"];
3    $first = "off";
4    $second = "off";
5    $state = "unlit";
6    if (isset($post['apply'])) {
7        $first = in_array($post['list1'] ?? "", $allowed, true) ? $post['list1'] : "off";
8        $second = in_array($post['list2'] ?? "", $allowed, true) ? $post['list2'] : "off";
9        $state = ($first === "on" || $second === "on") ? "lit" : "unlit";
10    }
11    return "$first $second $state";
12}
13
14echo lamp([]), "\n";
15echo lamp(['apply' => 'Apply', 'list1' => 'off', 'list2' => 'on']), "\n";
16echo lamp(['apply' => 'Apply', 'list1' => 'off', 'list2' => 'off']), "\n";
17echo lamp(['apply' => 'Apply', 'list1' => 'maybe', 'list2' => 'on']);

off off unlit
off on lit
off off unlit
off on lit

1var_dump(true || false);
2var_dump(false || false);
3var_dump(1 | 0);
4var_dump(6 | 3);

bool(true)
bool(false)
int(1)
int(7)