do{
...(処理)
}while (条件式)
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title></title>
</head>
<body>
<?php
$i = 1;
do {
echo $i++ . " ";
} while ($i < 10);
?>
</body>
</html>
1 2 3 4 5 6 7 8 9
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title></title>
</head>
<body>
<?php
$i = 1;
do {
echo $i++ . " ";
} while ($i < -1);
?>
</body>
</html>
1