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<?php class Thing { private $x; public function __construct($x) { $this->$x = $x; } public function get() { return $this->x; } public function set($x) { $this->$x = $x; } } function f(Thing $t) { $t->set(42); } $t = new Thing(1); var_dump($t->get()); f($t); var_dump($t->get());
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Creation of dynamic property Thing::$1 is deprecated in /in/BF6IW on line 6 NULL Deprecated: Creation of dynamic property Thing::$42 is deprecated in /in/BF6IW on line 14 NULL

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