<?php
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);
}
}