<?php declare(strict_types=1); namespace Doctrine\Foo; use Doctrine\Deprecations\Deprecation; class Bar { public function oldFunc(): void { Deprecation::triggerIfCalledFromOutside( 'doctrine/foo', 'https://github.com/doctrine/foo', 'Bar::oldFunc() is deprecated, use Bar::newFunc() instead.' ); } public function newFunc(): void { $this->oldFunc(); } }