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71 lines
1.5 KiB
PHP
71 lines
1.5 KiB
PHP
<?php
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/*
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* This file is part of Respect/Validation.
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*
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* (c) Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
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*
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* For the full copyright and license information, please view the "LICENSE.md"
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* file that was distributed with this source code.
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*/
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declare(strict_types=1);
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namespace Respect\Validation\Rules;
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use DateTimeInterface;
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use Respect\Validation\Helpers\DateTimeHelper;
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use function is_scalar;
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use function strtotime;
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/**
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* @author Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
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* @author Emmerson Siqueira <emmersonsiqueira@gmail.com>
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* @author Henrique Moody <henriquemoody@gmail.com>
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*/
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final class DateTime extends AbstractRule
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{
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use DateTimeHelper;
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/**
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* @var string|null
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*/
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private $format;
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/**
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* @var string
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*/
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private $sample;
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/**
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* Initializes the rule.
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*
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* @param string|null $format
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*/
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public function __construct(string $format = null)
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{
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$this->format = $format;
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$this->sample = date($format ?: 'c', strtotime('2005-12-30 01:02:03'));
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}
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/**
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* {@inheritdoc}
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*/
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public function validate($input): bool
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{
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if ($input instanceof DateTimeInterface) {
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return null === $this->format;
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}
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if (!is_scalar($input)) {
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return false;
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}
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if (null === $this->format) {
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return false !== strtotime((string) $input);
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}
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return $this->isDateTime($this->format, (string) $input);
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}
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}
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