DateComparator.php

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<?php
declare(strict_types=1);
 
namespace ILIAS\Filesystem\Finder\Comparator;
 
class DateComparator extends BaseComparator
{
    public function __construct(string $test)
    {
        if (!preg_match('#^\s*(==|!=|[<>]=?|after|since|before|until)?\s*(.+?)\s*$#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 = $matches[1] ?? '==';
 
        if ('since' === $operator || 'after' === $operator) {
            $operator = '>';
        }
 
        if ('until' === $operator || 'before' === $operator) {
            $operator = '<';
        }
 
        $this->setOperator($operator);
        $this->setTarget($target);
    }
}