mirror of
https://github.com/Respect/Validation.git
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50 lines
1.2 KiB
PHP
50 lines
1.2 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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namespace Respect\Validation\Rules;
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use DateTime;
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class Date extends AbstractRule
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{
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public $format = null;
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public function __construct($format = null)
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{
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$this->format = $format;
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}
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public function validate($input)
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{
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if ($input instanceof DateTime) {
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return true;
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} elseif (!is_string($input)) {
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return false;
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} elseif (is_null($this->format)) {
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return false !== strtotime($input);
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}
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$exceptionalFormats = [
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'c' => 'Y-m-d\TH:i:sP',
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'r' => 'D, d M Y H:i:s O',
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];
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if (in_array($this->format, array_keys($exceptionalFormats))) {
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$this->format = $exceptionalFormats[ $this->format ];
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}
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$dateFromFormat = DateTime::createFromFormat($this->format, $input);
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return $dateFromFormat
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&& $input === $dateFromFormat->format($this->format);
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}
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}
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