3v4l.org

run code in 300+ PHP versions simultaneously
<?php class LazyException extends Exception { public function __construct() { parent::__construct(); $this->message = new class() { public function __toString() { return 'World'; } }; } } $e = new LazyException(); try { throw $e; } catch (\Exception $e) { echo 'Hello '; echo $e->getMessage(); echo "\n"; }

Shows result from various feature-branches currently under review from the php developers. Contact me to have additional branches featured.

Output for branch master
Hello World
Output for branch master_jit
Hello World
Output for branch partials
Hello World

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page