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<?php interface ValueAccessor { public function & accessValue($object, $memberName); } final class DemoFile implements ValueAccessor { public function & accessValue($object, $memberName) { return count($object); } } $acc = new DemoFile(); $array = [1,2,3]; echo $acc->accessValue($array, 'count');
Output for git.master, rfc.property-hooks, git.master_jit
Notice: Only variable references should be returned by reference in /in/f8GDO on line 11 3

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