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<?php class foo { public function method() { $code = 'var_dump(isset($this));'; $evUl = function()use($code){ var_dump($this); eval($code); }; $evUl = $evUl->bindTo(null); $evUl(); } } $foo = new foo; $foo ->method();
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Cannot unbind $this of closure using $this in /in/bC0A7 on line 14 Fatal error: Uncaught Error: Value of type null is not callable in /in/bC0A7:16 Stack trace: #0 /in/bC0A7(22): foo->method() #1 {main} thrown in /in/bC0A7 on line 16
Process exited with code 255.

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