<?php

switch($a) {
case 1:
break;
case 2:
break;
}
switch($a) {
default:
break;
case 2:
break;
}
switch($a) {
case 1:
break;
default:
echo 'a';
}
while (list(, $val) = each($arr)) {
if ($val == 'pare') {
break;
}
echo "$val<br />\n";
}