3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function ola () { } var_dump(ola);
based on U8TJc
Output for 7.2.0 - 7.2.6
Warning: Use of undefined constant ola - assumed 'ola' (this will throw an Error in a future version of PHP) in /in/hoStU on line 5 string(3) "ola"
Output for 4.3.0 - 7.1.20
Notice: Use of undefined constant ola - assumed 'ola' in /in/hoStU on line 5 string(3) "ola"