for testing and deploying your application
for finding and fixing issues
for empowering human code reviews
<?php
declare(strict_types=1);
/**
* Caridea
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
* @copyright 2015-2018 LibreWorks contributors
* @license Apache-2.0
*/
namespace Caridea\Validate\Rule;
* Tests strings as valid timezone identifier.
class Timezone implements \Caridea\Validate\Rule
{
* @var array The comparison value
private $zones;
* Creates a new Timezone Rule.
protected function __construct()
$this->zones = timezone_identifiers_list(\DateTimeZone::ALL_WITH_BC);
}
* {@inheritDoc}
public function apply($value, $data = []): ?array
if (!is_string($value)) {
return ['FORMAT_ERROR'];
return in_array($value, $this->zones, true) ? null : ['WRONG_TIMEZONE'];
* Gets a rule that tests a string as a valid timezone.
* @return \Caridea\Validate\Rule\Timezone the created rule
public static function timezone(): Timezone
return new Timezone();
libreworks /
caridea-validate
