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<?php $ar = ['a','b','c']; $arr =& $ar; // both are now references foreach ($arr as $dummy) { $arr []= 'foo'; } var_dump($arr);
Output for git.master, git.master_jit, rfc.literals
array(6) { [0]=> string(1) "a" [1]=> string(1) "b" [2]=> string(1) "c" [3]=> string(3) "foo" [4]=> string(3) "foo" [5]=> string(3) "foo" }

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