3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $x = "foo"; function foo(){ echo "wtf"; } $x(); # "wtf"
Output for 4.3.0 - 5.0.5, 5.1.1 - 7.1.0
wtf
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/IM3JT on line 4
Process exited with code 255.