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https://github.com/Respect/Validation.git
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40 lines
891 B
PHP
40 lines
891 B
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\Rules;
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use const SORT_REGULAR;
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use function array_unique;
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use function is_array;
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/**
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* Validates whether the input array contains only unique values.
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*
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* @author Henrique Moody <henriquemoody@gmail.com>
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* @author Krzysztof Śmiałek <admin@avensome.net>
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* @author Paul Karikari <paulkarikari1@gmail.com>
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*/
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final class Unique extends AbstractRule
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{
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/**
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* {@inheritdoc}
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*/
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public function validate($input): bool
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{
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if (!is_array($input)) {
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return false;
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}
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return $input == array_unique($input, SORT_REGULAR);
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}
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}
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