Online PHP editor | refs for DAYom

<?php trait Immutable { private static $sealed = array(); public function __set($name, $value) { if (isset(self::$sealed[spl_object_hash($this)])) { throw new Exception("can't touch this, nah nah nuh nahhh"); } $this->$name = $value; } public function __get($name) { return $this->$name; } protected function seal() { self::$sealed[spl_object_hash($this)] = true; } } class ImmutableThingy { use Immutable; protected $foo; public function __construct($foo) { $this->foo = $foo; $this->seal(); // What the fuck ever broh } } $thing = new ImmutableThingy("bar"); var_dump($thing, $thing->foo); $thing->foo = 'baz'; var_dump($thing, $thing->foo);