3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class C { function f() { echo 'foo'; } } $c = new C; $v = 'f'; $c->$v();
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
foo