3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $arr = array(0,null,3,null); function is_not_null ($var) { return !is_null($var); } $filtered = array_filter($arr, ($var) { return !is_null($var);); print_r($filtered);
based on I3kJ0
Output for 7.0.0 - 7.1.7
Parse error: syntax error, unexpected 'return' (T_RETURN) in /in/L04YA on line 6
Process exited with code 255.
Output for hhvm-3.15.4
Fatal error: Uncaught Error: syntax error, unexpected T_RETURN in /in/L04YA:6 Stack trace: #0 {main}
Process exited with code 255.
Output for 5.6.0 - 5.6.30
Parse error: syntax error, unexpected '{' in /in/L04YA on line 6
Process exited with code 255.