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<?php $foo =[ [ 'a', 'b' ], [ 'c', 'd' ] ]; foreach ($foo as [ $x, &$y ]) { /* .... */ } $y = 'e'; var_dump($foo);
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { [0]=> array(2) { [0]=> string(1) "a" [1]=> string(1) "b" } [1]=> array(2) { [0]=> string(1) "c" [1]=> &string(1) "e" } }

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