HighSpeaker/vendor/workerman/validation/library/Helpers/CanValidateDateTime.php
2022-12-24 22:10:40 +08:00

75 lines
1.7 KiB
PHP

<?php
/*
* This file is part of Respect/Validation.
*
* (c) Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
*
* For the full copyright and license information, please view the LICENSE file
* that was distributed with this source code.
*/
declare(strict_types=1);
namespace Respect\Validation\Helpers;
use function checkdate;
use function date_parse_from_format;
use function preg_match;
/**
* Helper to handle date/time.
*
* @author Henrique Moody <henriquemoody@gmail.com>
*/
trait CanValidateDateTime
{
/**
* Finds whether a value is a valid date/time in a specific format.
*/
private function isDateTime(string $format, string $value): bool
{
$exceptionalFormats = [
'c' => 'Y-m-d\TH:i:sP',
'r' => 'D, d M Y H:i:s O',
];
$info = date_parse_from_format($exceptionalFormats[$format] ?? $format, $value);
if (!$this->isDateTimeParsable($info)) {
return false;
}
if ($this->isDateFormat($format)) {
return $this->isDateInformation($info);
}
return true;
}
/**
* @param int[] $info
*/
private function isDateTimeParsable(array $info): bool
{
return $info['error_count'] === 0 && $info['warning_count'] === 0;
}
private function isDateFormat(string $format): bool
{
return preg_match('/[djSFmMnYy]/', $format) > 0;
}
/**
* @param mixed[] $info
*/
private function isDateInformation(array $info): bool
{
if ($info['day']) {
return checkdate((int) $info['month'], $info['day'], (int) $info['year']);
}
return checkdate($info['month'] ?: 1, $info['day'] ?: 1, $info['year'] ?: 1);
}
}