3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo isset($foo[$bar]) ? $foo[$bar] : 'nope';
Output for 5.0.4 - 7.1.0
Notice: Undefined variable: bar in /in/oBEWm on line 3 nope
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: bar in /in/oBEWm on line 3 nope