3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $array1 = array("a"=>1, "b"=>2, "c"=>3, "d"=>4, "e"=>5);  print_r(array_filter($array1));
Output for 7.0.0 - 7.2.6
Fatal error: Uncaught Error: Call to undefined function  print_r() in /in/89TPZ:5 Stack trace: #0 {main} thrown in /in/89TPZ on line 5
Process exited with code 255.
Output for hhvm-3.15.4
Fatal error: Uncaught Error: Call to undefined function  print_r() in /in/89TPZ:5 Stack trace: #0 {main}
Process exited with code 255.
Output for 5.6.0 - 5.6.30
Fatal error: Call to undefined function  print_r() in /in/89TPZ on line 5
Process exited with code 255.