1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
--TEST-- Temporary array expressions can be iterated by reference --FILE-- <?php $a = 'a'; $b = 'b'; foreach ([&$a, &$b] as &$value) { $value .= '-foo'; } var_dump($a, $b); ?> --EXPECT-- string(5) "a-foo" string(5) "b-foo"