3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo $arr1[1234567898765432123456789];
Output for 5.0.4 - 7.1.0
Notice: Undefined variable: arr1 in /in/Npv3G on line 2
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: arr1 in /in/Npv3G on line 2