3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $test = str_replace("testing","",""); if($test === "") $test = toupper("random text"); echo "$test";
based on 6lc2Y
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: Call to undefined function toupper() in /in/PsKPb:4 Stack trace: #0 {main} thrown in /in/PsKPb on line 4
Process exited with code 255.
Output for 5.3.19 - 5.6.28
Fatal error: Call to undefined function toupper() in /in/PsKPb on line 4
Process exited with code 255.