<?php namespace MailPoetVendor\Carbon\Traits; if (!defined('ABSPATH')) exit; use MailPoetVendor\Carbon\Carbon; use MailPoetVendor\Carbon\CarbonImmutable; trait Mutability { use Cast; public static function isMutable() { return \false; } public static function isImmutable() { return !static::isMutable(); } public function toMutable() { $date = $this->cast(Carbon::class); return $date; } public function toImmutable() { $date = $this->cast(CarbonImmutable::class); return $date; } }