3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo ucwords(lcase('HELLO_WORDL'),'_');
based on 7YIKP
Output for 7.0.0 - 7.1.7, 7.2.0
Fatal error: Uncaught Error: Call to undefined function lcase() in /in/M2Sjt:3 Stack trace: #0 {main} thrown in /in/M2Sjt on line 3
Process exited with code 255.
Output for 7.1.10

Process exited with code 137.
Output for 5.3.20 - 5.6.28
Fatal error: Call to undefined function lcase() in /in/M2Sjt on line 3
Process exited with code 255.