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<?php function f(&$a) { return $a; } $ar = array('a','b','c'); foreach (array_keys($ar) as $key) { $y = &f($ar[$key]); $z[] = &$y; } var_dump($z);
Output for git.master, git.master_jit, rfc.property-hooks
Notice: Only variables should be assigned by reference in /in/eeds3 on line 7 Notice: Only variables should be assigned by reference in /in/eeds3 on line 7 Notice: Only variables should be assigned by reference in /in/eeds3 on line 7 array(3) { [0]=> &string(1) "c" [1]=> &string(1) "c" [2]=> &string(1) "c" }

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