1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
--TEST-- sort() functions precerve foreach by reference iterator pointer --FILE-- <?php $a = [1,2,3,4,5,0]; foreach($a as &$v) { echo "$v\n"; if ($v == 3) { rsort($a); } } ?> --EXPECT-- 1 2 3 2 1 0