3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $user = null; $message = 'Hello '.($user) ?: 'Guest'; echo $message . "\n"; $message = 'Hello '.(($user) ?: 'Guest'); echo $message . "\n"; $user = 'x'; $message = 'Hello '.($user) ?: 'Guest'; echo $message . "\n";
based on jMVq4
Output for 5.3.0 - 7.2.0
Hello Hello Guest Hello x
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected ':' in /in/3l9Wk on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected ':' in /in/3l9Wk on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/3l9Wk on line 4
Process exited with code 255.