3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php const CONFIG = [ 'pdo' => new PDO() ]; CONFIG['pdo'];
based on CKoCQ
Output for 7.0.0
Fatal error: Constant expression contains invalid operations in /in/4lQBB on line 5
Process exited with code 255.
Output for 5.4.10 - 5.6.16
Parse error: syntax error, unexpected 'new' (T_NEW) in /in/4lQBB on line 4
Process exited with code 255.
Output for 5.3.20 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/4lQBB on line 3
Process exited with code 255.