3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class MyList implements Countable { public $items; public function __construct($items) { $this->items = $items; } public function __size() { return count($this->items); } } $list = new MyList([1, 2, 3]); echo count($list);
based on JKMhd
Output for 7.0.0 - 7.3.1
Fatal error: Class MyList contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (Countable::count) in /in/ksjOb on line 3
Process exited with code 255.
Output for 5.4.0 - 5.6.38
Fatal error: Class MyList contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (Countable::count) in /in/ksjOb on line 16
Process exited with code 255.
Output for 5.3.19 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/ksjOb on line 18
Process exited with code 255.