3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php print_r(debug_backtrace(0));
Output for 5.2.5 - 7.1.0
Array ( )
Output for 4.3.0 - 5.2.4
Warning: Wrong parameter count for debug_backtrace() in /in/JFaO6 on line 3