<?php
$i = 0;
while ($i++ < 4) {
    switch ($i) {
		case 1:
			echo $i . "a\n";
			continue;
			echo $i . "b\n";
		case 2:
			echo $i . "c\n";
			continue 2;
			echo $i . "d\n";
		case 3:
			echo $i . "e\n";
			break;
			echo $i . "f\n";
		case 4:
			echo $i . "g\n";
			break 2;
			echo $i . "h\n";
	}
	echo "X\n";
}
?>