mirror of
https://github.com/Respect/Validation.git
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c60ca7937b
This commit will add a couple of rules that we already use but also introduce new ones and make sure all the code is in accordance with the new coding standards. Signed-off-by: Henrique Moody <henriquemoody@gmail.com>
75 lines
1.7 KiB
PHP
75 lines
1.7 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\Helpers;
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use function checkdate;
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use function date_parse_from_format;
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use function preg_match;
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/**
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* Helper to handle date/time.
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*
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* @author Henrique Moody <henriquemoody@gmail.com>
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*/
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trait CanValidateDateTime
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{
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/**
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* Finds whether a value is a valid date/time in a specific format.
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*/
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private function isDateTime(string $format, string $value): bool
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{
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$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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$info = date_parse_from_format($exceptionalFormats[$format] ?? $format, $value);
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if (!$this->isDateTimeParsable($info)) {
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return false;
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}
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if ($this->isDateFormat($format)) {
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return $this->isDateInformation($info);
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}
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return true;
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}
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/**
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* @param int[] $info
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*/
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private function isDateTimeParsable(array $info): bool
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{
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return $info['error_count'] === 0 && $info['warning_count'] === 0;
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}
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private function isDateFormat(string $format): bool
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{
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return preg_match('/[djSFmMnYy]/', $format) > 0;
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}
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/**
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* @param mixed[] $info
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*/
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private function isDateInformation(array $info): bool
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{
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if ($info['day']) {
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return checkdate((int) $info['month'], $info['day'], (int) $info['year']);
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}
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return checkdate($info['month'] ?: 1, $info['day'] ?: 1, $info['year'] ?: 1);
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}
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}
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