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view vendor/symfony/dependency-injection/Argument/RewindableGenerator.php @ 19:fa3358dc1485 tip
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author | Chris Cannam |
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date | Wed, 28 Aug 2019 13:14:47 +0100 |
parents | 129ea1e6d783 |
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<?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\DependencyInjection\Argument; /** * @internal */ class RewindableGenerator implements \IteratorAggregate, \Countable { private $generator; private $count; /** * @param callable $generator * @param int|callable $count */ public function __construct(callable $generator, $count) { $this->generator = $generator; $this->count = $count; } public function getIterator() { $g = $this->generator; return $g(); } public function count() { if (\is_callable($count = $this->count)) { $this->count = $count(); } return $this->count; } }