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<?php class Foo { private $bar = 'hello world'; } class FriendOfFoo { public function doSomething($foo) { return function() use ($foo) { echo $foo->bar; }; } } $service = new FriendOfFoo(); $closure = $service->doSomething($foo)->bindTo($foo); $closure();
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $foo in /in/sku7C on line 17 Warning: Undefined variable $foo in /in/sku7C on line 17 Warning: Attempt to read property "bar" on null in /in/sku7C on line 10

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