3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(trim(null));
Output for 4.3.0 - 5.6.30, hhvm-3.10.1, hhvm-3.20.2 - 3.22.0, 7.0.0 - 7.2.2
string(0) ""
Output for hhvm-3.11.1 - 3.19.2
Warning: trim() expects parameter 1 to be string, null given in /in/ufoMl on line 3 NULL