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<?php class Foo { public function __call($method, $args) { if (isset($this->$method)) { $func = $this->$method; return call_user_func_array($func, $args); } } } $foo = new Foo(); $foo->bar = function () { echo "Hello, this function is added at runtime"; }; $foo->bar();
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Creation of dynamic property Foo::$bar is deprecated in /in/0qkgf on line 15 Hello, this function is added at runtime

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