5 print "start iter loop\n";
6 foreach ($arr as $x => $y) {
9 print "end iter loop\n";
11 print "start witer loop\n";
12 foreach ($arr as $x => $y) {
15 print "end witer loop\n";
16 print "start miter loop\n";
17 foreach ($arr as $x => &$y) {
20 print "end of miter loop\n";