zlibproxy/vendor/workerman/validation/library/Rules/In.php
2023-01-02 19:56:44 +08:00

100 lines
2.3 KiB
PHP

<?php
/*
* This file is part of Respect/Validation.
*
* (c) Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
*
* For the full copyright and license information, please view the LICENSE file
* that was distributed with this source code.
*/
declare(strict_types=1);
namespace Respect\Validation\Rules;
use function in_array;
use function is_array;
use function mb_detect_encoding;
use function mb_stripos;
use function mb_strpos;
/**
* Validates if the input can be found in a defined array or string.
*
* @author Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
* @author Danilo Benevides <danilobenevides01@gmail.com>
* @author Henrique Moody <henriquemoody@gmail.com>
*/
final class In extends AbstractRule
{
/**
* @var mixed[]|mixed
*/
private $haystack;
/**
* @var bool
*/
private $compareIdentical;
/**
* Initializes the rule with the haystack and optionally compareIdentical flag.
*
* @param mixed[]|mixed $haystack
*/
public function __construct($haystack, bool $compareIdentical = false)
{
$this->haystack = $haystack;
$this->compareIdentical = $compareIdentical;
}
/**
* {@inheritDoc}
*/
public function validate($input): bool
{
if ($this->compareIdentical) {
return $this->validateIdentical($input);
}
return $this->validateEquals($input);
}
/**
* @param mixed $input
*/
private function validateEquals($input): bool
{
if (is_array($this->haystack)) {
return in_array($input, $this->haystack);
}
if ($input === null || $input === '') {
return $input == $this->haystack;
}
$inputString = (string) $input;
return mb_stripos($this->haystack, $inputString, 0, (string) mb_detect_encoding($inputString)) !== false;
}
/**
* @param mixed $input
*/
private function validateIdentical($input): bool
{
if (is_array($this->haystack)) {
return in_array($input, $this->haystack, true);
}
if ($input === null || $input === '') {
return $input === $this->haystack;
}
$inputString = (string) $input;
return mb_strpos($this->haystack, $inputString, 0, (string) mb_detect_encoding($inputString)) !== false;
}
}