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<?php declare(strict_types=1);
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/*
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 * This file is part of PHPUnit.
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 *
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 * (c) Sebastian Bergmann <sebastian@phpunit.de>
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 */
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namespace PHPUnit\Framework\Constraint;
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use function array_reduce;
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use function array_shift;
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/**
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 * @no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit
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 */
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final class LogicalXor extends BinaryOperator
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{
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    /**
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     * Returns the name of this operator.
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     */
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    public function operator(): string
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    {
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        return 'xor';
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    }
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    /**
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     * Returns this operator's precedence.
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     *
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     * @see https://www.php.net/manual/en/language.operators.precedence.php.
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     */
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    public function precedence(): int
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    {
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        return 23;
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    }
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    /**
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     * Evaluates the constraint for parameter $other. Returns true if the
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     * constraint is met, false otherwise.
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     *
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     * @param mixed $other value or object to evaluate
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     */
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    public function matches($other): bool
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    {
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        $constraints = $this->constraints();
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        $initial = array_shift($constraints);
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        if ($initial === null) {
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            return false;
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        }
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        return array_reduce(
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            $constraints,
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            static function (bool $matches, Constraint $constraint) use ($other): bool
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            {
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                return $matches xor $constraint->evaluate($other, '', true);
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            },
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            $initial->evaluate($other, '', true)
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        );
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    }
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}