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

75 lines
1.7 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 Egulias\EmailValidator\EmailValidator;
use Egulias\EmailValidator\Validation\RFCValidation;
use function class_exists;
use function filter_var;
use function is_string;
use const FILTER_VALIDATE_EMAIL;
/**
* Validates an email address.
*
* @author Andrey Kolyshkin <a.kolyshkin@semrush.com>
* @author Eduardo Gulias Davis <me@egulias.com>
* @author Henrique Moody <henriquemoody@gmail.com>
* @author Paul Karikari <paulkarikari1@gmail.com>
*/
final class Email extends AbstractRule
{
/**
* @var EmailValidator|null
*/
private $validator;
/**
* Initializes the rule assigning the EmailValidator instance.
*
* If the EmailValidator instance is not defined, tries to create one.
*/
public function __construct(?EmailValidator $validator = null)
{
$this->validator = $validator ?: $this->createEmailValidator();
}
/**
* {@inheritDoc}
*/
public function validate($input): bool
{
if (!is_string($input)) {
return false;
}
if ($this->validator !== null) {
return $this->validator->isValid($input, new RFCValidation());
}
return (bool) filter_var($input, FILTER_VALIDATE_EMAIL);
}
private function createEmailValidator(): ?EmailValidator
{
if (class_exists(EmailValidator::class)) {
return new EmailValidator();
}
return null;
}
}