run code in 200+ php & hhvm versions
Bugs & Features
<?php class k { protected $b = 123; public function getB() { return $this->b; } } $k = new k(); var_dump($k->getB()); var_dump(!$k->getB()); var_dump(!$k->getB() !== 200);

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

Output for Arrow functions
int(123) bool(false) bool(true)

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