3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function getVariable() { return 'lorem'; } if ($a = getVariable()) { var_dump($a); } function getVariable2() { return null; } if ($a = getVariable2()) { var_dump($a); }
Output for 4.3.0 - 7.2.0
string(5) "lorem"