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<?php class A { public function __construct($f) { $this->f = $f; } public function __invoke() { return call_user_func_array($this->f, func_get_args()); } } $a = new A('strtolower'); echo call_user_func_array($a, array('A'));
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Creation of dynamic property A::$f is deprecated in /in/0m86s on line 6 a

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