3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function foo($v = null) { static $c = 4; if ($v) $c = $v; return ++$c; } echo foo(); echo foo(25); echo foo(0); echo foo('abc'); echo foo();
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
52627abdabe