3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo "1 '".$foo[nonexisting]."' 2"; echo "3 " . $foo['nonexisting'] . " 4";
Output for 7.2.0 - 7.3.0rc4
Warning: Use of undefined constant nonexisting - assumed 'nonexisting' (this will throw an Error in a future version of PHP) in /in/WhJO9 on line 3 Notice: Undefined variable: foo in /in/WhJO9 on line 3 1 '' 2 Notice: Undefined variable: foo in /in/WhJO9 on line 4 3 4
Output for 5.0.4 - 7.1.20
Notice: Use of undefined constant nonexisting - assumed 'nonexisting' in /in/WhJO9 on line 3 Notice: Undefined variable: foo in /in/WhJO9 on line 3 1 '' 2 Notice: Undefined variable: foo in /in/WhJO9 on line 4 3 4
Output for 4.3.0 - 5.0.3
Notice: Use of undefined constant nonexisting - assumed 'nonexisting' in /in/WhJO9 on line 3 Notice: Undefined variable: foo in /in/WhJO9 on line 3 1 '' 2 Notice: Undefined variable: foo in /in/WhJO9 on line 4 3 4