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<?php class A{ public function __invoke($arg){ echo __METHOD__ . "($arg) called" . PHP_EOL; return $this; } } $a = new A(); $a(0); $a(1)(2)(3);
Output for git.master, git.master_jit, rfc.property-hooks
A::__invoke(0) called A::__invoke(1) called A::__invoke(2) called A::__invoke(3) called

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