3v4l.org

run code in 300+ PHP versions simultaneously
<?php (function(string $thing){ echo $thing; }) (new class { function __toString() => 'thing'; }); expects: 'thing';
Output for 5.4.1 - 5.4.45, 5.5.24 - 5.5.30, 5.6.8 - 5.6.14
Parse error: syntax error, unexpected '(' in /in/ujKei on line 6
Process exited with code 255.
preferences:
197.81 ms | 1395 KiB | 65 Q