ExternalEmail.php
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ExternalEmail.php
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	<?php

	namespace App\Rules;

	use Illuminate\Contracts\Validation\Rule;
	use Illuminate\Support\Facades\Validator;

	class ExternalEmail implements Rule
	{
	private $message;

	/**
	* Determine if the validation rule passes.
	*
	* Email address validation with some more strict rules
	* than the default Laravel's 'email' rule
	*
	* @param string $attribute Attribute name
	* @param mixed $email Email address input
	*
	* @return bool
	*/
	public function passes($attribute, $email): bool
	{
	$v = Validator::make(['email' => $email], ['email' => 'required\|email']);

	if ($v->fails()) {
	$this->message = \trans('validation.emailinvalid');
	return false;
	}

	list($local, $domain) = explode('@', $email);

	// don't allow @localhost and other no-fqdn
	if (strpos($domain, '.') === false) {
	$this->message = \trans('validation.emailinvalid');
	return false;
	}

	return true;
	}

	/**
	* Get the validation error message.
	*
	* @return string
	*/
	public function message(): ?string
	{
	return $this->message;
	}
	}