1--TEST-- 2Nested foreach by reference and array modification 3--FILE-- 4<?php 5$a = [0, 1, 2, 3]; 6foreach ($a as &$x) { 7 foreach ($a as &$y) { 8 echo "$x - $y\n"; 9 if ($x == 0 && $y == 1) { 10 unset($a[2]); 11 unset($a[1]); 12 } 13 } 14} 15?> 16--EXPECT-- 170 - 0 180 - 1 190 - 3 203 - 0 213 - 3 22
