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<?php class Foo { public $callable; } class Bar { public function __invoke() { echo 'DO IT'; } } $foo = new Foo; $foo->callable = [Bar, '__invoke']; ($foo->callable)();
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Undefined constant "Bar" in /in/ImKbv:17 Stack trace: #0 {main} thrown in /in/ImKbv on line 17
Process exited with code 255.

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