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    <h3>Editing: DateComparator.php</h3>
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/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier &lt;fabien@symfony.com&gt;
 *
 * 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 &lt;fabien@symfony.com&gt;
 */
class DateComparator extends Comparator
{
    /**
     * @param string $test A comparison string
     *
     * @throws \InvalidArgumentException If the test is not understood
     */
    public function __construct(string $test)
    {
        if (!preg_match('#^\s*(==|!=|[&lt;&gt;]=?|after|since|before|until)?\s*(.+?)\s*$#i', $test, $matches)) {
            throw new \InvalidArgumentException(sprintf('Don\'t understand &quot;%s&quot; as a date test.', $test));
        }

        try {
            $date = new \DateTime($matches[2]);
            $target = $date-&gt;format('U');
        } catch (\Exception $e) {
            throw new \InvalidArgumentException(sprintf('&quot;%s&quot; is not a valid date.', $matches[2]));
        }

        $operator = $matches[1] ?? '==';
        if ('since' === $operator || 'after' === $operator) {
            $operator = '&gt;';
        }

        if ('until' === $operator || 'before' === $operator) {
            $operator = '&lt;';
        }

        parent::__construct($target, $operator);
    }
}
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