73 lines
1.6 KiB
PHP
73 lines
1.6 KiB
PHP
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<?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 file
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* 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 Countable;
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use DateTimeImmutable;
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use DateTimeInterface;
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use Throwable;
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use function is_numeric;
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use function is_scalar;
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use function is_string;
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use function mb_strlen;
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/**
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* Helps to deal with comparable values.
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*
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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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trait CanCompareValues
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{
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/**
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* Tries to convert a value into something that can be compared with PHP operators.
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*
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* @param mixed $value
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*
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* @return mixed
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*/
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private function toComparable($value)
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{
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if ($value instanceof Countable) {
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return $value->count();
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}
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if ($value instanceof DateTimeInterface || !is_string($value) || is_numeric($value) || empty($value)) {
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return $value;
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}
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if (mb_strlen($value) === 1) {
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return $value;
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}
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try {
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return new DateTimeImmutable($value);
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} catch (Throwable $e) {
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return $value;
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}
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}
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/**
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* Returns whether the values can be compared or not.
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*
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* @param mixed $left
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* @param mixed $right
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*/
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private function isAbleToCompareValues($left, $right): bool
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{
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return is_scalar($left) === is_scalar($right);
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}
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}
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