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<?php class Kitchen { private $yummy = 'cake'; } $sweetsThief = function (Kitchen $kitchen) { return & $kitchen->yummy; }; $kitchen = new Kitchen(); $sweetsThief = Closure::bind($sweetsThief, null, $kitchen); var_dump($sweetsThief($kitchen));
Output for 5.3.0 - 5.3.26, 5.4.0 - 5.4.17
Parse error: syntax error, unexpected '&' in /in/VPYNX on line 9
Process exited with code 255.

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