name : DateComparator.php <?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\Finder\Comparator; /** * DateCompare compiles date comparisons. * * @author Fabien Potencier <fabien@symfony.com> */ class DateComparator extends Comparator { /** * Constructor. * * @param string $test A comparison string * * @throws \InvalidArgumentException If the test is not understood */ public function __construct($test) { if (!preg_match('#^\s*(==|!=|[<>]=?|after|since|before|until)?\s*(.+?)\s*$#i', $test, $matches)) { throw new \InvalidArgumentException(sprintf('Don\'t understand "%s" as a date test.', $test)); } try { $date = new \DateTime($matches[2]); $target = $date->format('U'); } catch (\Exception $e) { throw new \InvalidArgumentException(sprintf('"%s" is not a valid date.', $matches[2])); } $operator = isset($matches[1]) ? $matches[1] : '=='; if ('since' === $operator || 'after' === $operator) { $operator = '>'; } if ('until' === $operator || 'before' === $operator) { $operator = '<'; } $this->setOperator($operator); $this->setTarget($target); } }