3v4l.org

run code in 300+ PHP versions simultaneously
<?PHP $var = 55; $friendid = (isset($var)) ?$var: 'empty'; echo $friendid; ?>
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
55
preferences:
147.41 ms | 404 KiB | 189 Q