3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo "Wihtout:"; if ($var) echo "GO!"; echo "\nWith:"; if (isset($var) and $var) echo "GO!";
Output for 5.0.4 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Wihtout: Notice: Undefined variable: var in /in/qfZA4 on line 4 With:
Output for 4.3.0 - 5.0.3
Wihtout: Notice: Undefined variable: var in /in/qfZA4 on line 4 With: