src/Operator/Logical/NorOperator.php
<?php declare(strict_types=1);
/**
* Copyright © Thomas Klein, All rights reserved.
* See LICENSE bundled with this library for license details.
*/
namespace LogicTree\Operator\Logical;
use LogicTree\Operator\OperatorInterface;
use function count;
/**
* The NOR:
* The output is "true" if both inputs are "false". Otherwise, the output is "false".
*/
final class NorOperator implements OperatorInterface
{
public const CODE = 'nor';
public function execute(mixed ...$expressions): bool
{
$count = count($expressions);
$result = $expressions[0];
for ($i = 1; $i < $count; $i++) {
$result = !($result || $expressions[$i]);
}
return $result;
}
}