3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $anon = new class extends Exception { public function __invoke($a, $b) { echo $a.$b.PHP_EOL; } }; $anon('Hello', 'World');
based on NEETb
Output for 7.0.0 - 7.2.0
HelloWorld
Output for 5.4.0 - 5.6.28
Parse error: syntax error, unexpected 'class' (T_CLASS) in /in/EcdDa on line 3
Process exited with code 255.
Output for 5.3.19 - 5.3.29
Parse error: syntax error, unexpected T_CLASS in /in/EcdDa on line 3
Process exited with code 255.