Timezone Constraint

Syntax

// src/Entity/UserSettings.php
namespace App\Entity;
 
use Symfony\Component\Validator\Constraints as Assert;
 
class UserSettings
{
    /**
     * @Assert\Timezone
     */
    protected $timezone;
}

// Consider valid only the timezones from countries in America continent
 
/** @Assert\Timezone(zone=\DateTimeZone::AMERICA) */
protected $timezone;
 
// Consider valid only the Chinese timezones
 
/** @Assert\Timezone(zone=\DateTimeZone::PER_COUNTRY, countryCode="CN") */
protected $timezone;