3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function parseError() { $x = 42; return$x; } echo parseError;
based on uD4GY
Output for 7.2.0 - 7.3.0rc4
Warning: Use of undefined constant parseError - assumed 'parseError' (this will throw an Error in a future version of PHP) in /in/05SgB on line 9 parseError
Output for 5.3.20 - 7.1.20
Notice: Use of undefined constant parseError - assumed 'parseError' in /in/05SgB on line 9 parseError