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<?php function id(&$x) { return $x; } $foo = array(array( 'bar' => function($baz) { var_export($baz); return function() { echo 'hi'; }; } )); id($foo[0]['bar']('baz'))();
Output for git.master, git.master_jit, rfc.property-hooks
'baz' Notice: Only variables should be passed by reference in /in/O7aNe on line 14 hi

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