3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_export(version_compare(PHP_VERSION, '5.3.6', '>=') ? debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS) : debug_backtrace());
Output for 4.3.0 - 5.6.30, hhvm-3.10.1 - 3.17.3, 7.0.0 - 7.2.0
array ( )