<?php /** * This file is part of the Carbon package. * * (c) Brian Nesbitt <brian@nesbot.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Carbon\Traits; use Carbon\Exceptions\InvalidCastException; use DateTimeInterface; /** * Trait Cast. * * Utils to cast into an other class. */ trait Cast { /** * Cast the current instance into the given class. * * @param string $className The $className::instance() method will be called to cast the current object. * * @return DateTimeInterface */ public function cast(string $className) { if (!method_exists($className, 'instance')) { if (is_a($className, DateTimeInterface::class, true)) { return new $className($this->rawFormat('Y-m-d H:i:s.u'), $this->getTimezone()); } throw new InvalidCastException("$className has not the instance() method needed to cast the date."); } return $className::instance($this); } }