3v4l.org

run code in 300+ PHP versions simultaneously
<?php class X { final private function __construct() {} static public function get() { return new static(); } } class Y extends X { final public function __construct() {} } new Y();
Output for 5.5.24 - 5.5.31, 5.6.8 - 5.6.17, 7.0.0 - 7.0.2
Fatal error: Cannot override final method X::__construct() in /in/NueVQ on line 14
Process exited with code 255.
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