File "ConsecutiveCalls.php"

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<?php declare(strict_types=1);
/*
 * This file is part of PHPUnit.
 *
 * (c) Sebastian Bergmann <sebastian@phpunit.de>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace PHPUnit\Framework\MockObject\Stub;

use function array_shift;
use PHPUnit\Framework\MockObject\Invocation;

/**
 * @internal This class is not covered by the backward compatibility promise for PHPUnit
 */
final class ConsecutiveCalls implements Stub
{
    private array $stack;

    public function __construct(array $stack)
    {
        $this->stack = $stack;
    }

    public function invoke(Invocation $invocation): mixed
    {
        $value = array_shift($this->stack);

        if ($value instanceof Stub) {
            $value = $value->invoke($invocation);
        }

        return $value;
    }
}