alospiesjs/www/apis/youtube/vendor/phpspec/prophecy/src/Prophecy/Promise/ReturnArgumentPromise.php000060400000003047151164443350030673 0ustar00home * Marcello Duarte * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Prophecy\Promise; use Prophecy\Exception\InvalidArgumentException; use Prophecy\Prophecy\ObjectProphecy; use Prophecy\Prophecy\MethodProphecy; /** * Return argument promise. * * @author Konstantin Kudryashov */ class ReturnArgumentPromise implements PromiseInterface { /** * @var int */ private $index; /** * Initializes callback promise. * * @param int $index The zero-indexed number of the argument to return * * @throws \Prophecy\Exception\InvalidArgumentException */ public function __construct($index = 0) { if (!is_int($index) || $index < 0) { throw new InvalidArgumentException(sprintf( 'Zero-based index expected as argument to ReturnArgumentPromise, but got %s.', $index )); } $this->index = $index; } /** * Returns nth argument if has one, null otherwise. * * @param array $args * @param ObjectProphecy $object * @param MethodProphecy $method * * @return null|mixed */ public function execute(array $args, ObjectProphecy $object, MethodProphecy $method) { return count($args) > $this->index ? $args[$this->index] : null; } }