3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $var = ''; if (! isset($var) || $var) { echo "not empty or not defiend or a null value"; } else { echo "empty"; } echo "\ninstead\n"; if (empty($var)) { echo "not empty or not defiend or a null value"; } else { echo "empty"; }
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
empty instead not empty or not defiend or a null value
Output for hhvm-3.10.0

Process exited with code 153.