55 lines
1.1 KiB
PHP
55 lines
1.1 KiB
PHP
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<?php
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/*
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* Copyright (c) Alexandre Gomes Gaigalas <alganet@gmail.com>
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* SPDX-License-Identifier: MIT
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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 DateTimeImmutable;
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use DateTimeInterface;
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use function is_scalar;
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/**
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* Validates if a date is leap.
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*
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* @author Danilo Benevides <danilobenevides01@gmail.com>
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* @author Henrique Moody <henriquemoody@gmail.com>
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* @author Jayson Reis <santosdosreis@gmail.com>
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*/
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final class LeapDate extends AbstractRule
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{
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/**
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* @var string
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*/
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private $format;
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/**
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* Initializes the rule with the expected format.
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*/
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public function __construct(string $format)
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{
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$this->format = $format;
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}
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/**
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* {@inheritDoc}
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*/
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public function validate($input): bool
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{
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if ($input instanceof DateTimeInterface) {
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return $input->format('m-d') === '02-29';
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}
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if (is_scalar($input)) {
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return $this->validate(DateTimeImmutable::createFromFormat($this->format, (string) $input));
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}
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return false;
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}
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}
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