100 lines
2.3 KiB
PHP
100 lines
2.3 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\Rules;
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use function in_array;
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use function is_array;
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use function mb_detect_encoding;
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use function mb_stripos;
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use function mb_strpos;
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/**
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* Validates if the input can be found in a defined array or string.
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*
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* @author Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
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* @author Danilo Benevides <danilobenevides01@gmail.com>
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* @author Henrique Moody <henriquemoody@gmail.com>
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*/
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final class In extends AbstractRule
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{
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/**
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* @var mixed[]|mixed
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*/
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private $haystack;
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/**
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* @var bool
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*/
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private $compareIdentical;
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/**
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* Initializes the rule with the haystack and optionally compareIdentical flag.
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*
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* @param mixed[]|mixed $haystack
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*/
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public function __construct($haystack, bool $compareIdentical = false)
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{
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$this->haystack = $haystack;
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$this->compareIdentical = $compareIdentical;
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}
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/**
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* {@inheritDoc}
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*/
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public function validate($input): bool
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{
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if ($this->compareIdentical) {
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return $this->validateIdentical($input);
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}
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return $this->validateEquals($input);
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}
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/**
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* @param mixed $input
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*/
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private function validateEquals($input): bool
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{
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if (is_array($this->haystack)) {
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return in_array($input, $this->haystack);
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}
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if ($input === null || $input === '') {
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return $input == $this->haystack;
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}
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$inputString = (string) $input;
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return mb_stripos($this->haystack, $inputString, 0, (string) mb_detect_encoding($inputString)) !== false;
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}
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/**
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* @param mixed $input
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*/
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private function validateIdentical($input): bool
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{
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if (is_array($this->haystack)) {
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return in_array($input, $this->haystack, true);
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}
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if ($input === null || $input === '') {
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return $input === $this->haystack;
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}
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$inputString = (string) $input;
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return mb_strpos($this->haystack, $inputString, 0, (string) mb_detect_encoding($inputString)) !== false;
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}
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}
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