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<?php
/**
* Copyright © 2018 Thomas Klein, All rights reserved.
* See LICENSE bundled with this library for license details.
*/
declare(strict_types=1);
namespace LogicTree\Operator\Logical;
use LogicTree\Operator\OperatorInterface;
* Class XnorOperator
*
* The XNOR (exclusive-NOR):
* The output is "true" if the inputs are the same, and "false" if the inputs are different.
final class XnorOperator implements OperatorInterface
{
public const CODE = 'xnor';
* {@inheritdoc}
public function execute(...$expressions): bool
$count = \count($expressions);
$result = $expressions[0];
for ($i = 1; $i < $count; $i++) {
$result = !($result xor $expressions[$i]);
}
return $result;
thomas-blackbird /
php-combine-conditions
