3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo "1 '".$foo['nonexisting']."' 2"; echo "3 " . $foo['nonexisting'] . " 4";
Output for 5.0.4 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Notice: Undefined variable: foo in /in/rkI6P on line 3 1 '' 2 Notice: Undefined variable: foo in /in/rkI6P on line 4 3 4
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: foo in /in/rkI6P on line 3 1 '' 2 Notice: Undefined variable: foo in /in/rkI6P on line 4 3 4