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<?php class A { public function __invoke() { echo "Invoking A() Class"; } } class B { public $a; public function __construct() { $this->a = new A(); } public function __invoke() { echo "Invoking B() Class"; } } $a = new A(); $b = new B(); $a(); $b(); ($b->a)(); $c = $b->a; $c();
Output for git.master, git.master_jit, rfc.property-hooks
Invoking A() ClassInvoking B() ClassInvoking A() ClassInvoking A() Class

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