51 lines
1.0 KiB
PHP
51 lines
1.0 KiB
PHP
<?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 Respect\Validation\Helpers\CanValidateUndefined;
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use function in_array;
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use function is_scalar;
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use function mb_strtoupper;
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/**
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* Abstract class for searches into arrays.
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*
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* @author Henrique Moody <henriquemoody@gmail.com>
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*/
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abstract class AbstractSearcher extends AbstractRule
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{
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use CanValidateUndefined;
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/**
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* @param mixed $input
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* @return mixed[]
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*/
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abstract protected function getDataSource($input = null): array;
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/**
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* {@inheritDoc}
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*/
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public function validate($input): bool
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{
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$dataSource = $this->getDataSource($input);
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if ($this->isUndefined($input) && empty($dataSource)) {
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return true;
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}
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if (!is_scalar($input)) {
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return false;
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}
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return in_array(mb_strtoupper((string) $input), $dataSource, true);
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}
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}
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