PHP
<?php
header("Content-type: text/html; charset=utf-8");
date_default_timezone_set("Asia/Tokyo");
//その月の1日のタイムスタンプを取得
//ここで何年何月のカレンダーを作るか設定
$startday = mktime(0,0,0,9,1,2006);
//その月の1日の曜日を取得
$startweek = date("w", $startday);
//その月の末日を取得
$daycnt = date("t", $startday);
//曜日名の行
$body = "<table border=\"1\">";
$body .= "<tr>";
$body .= "<td>日</td>";
$body .= "<td>月</td>";
$body .= "<td>火</td>";
$body .= "<td>水</td>";
$body .= "<td>木</td>";
$body .= "<td>金</td>";
$body .= "<td>土</td>";
$body .= "</tr>";
$body .= "<tr>";
//1日より前の空欄となる曜日のセル
$weekcnt = 0;
while($weekcnt <> $startweek){
$body .= "<td> </td>";
$weekcnt++;
}
//1日～末日までの日付の出力
for($daynum = 1; $daynum <= $daycnt; $daynum++){
$body .= "<td>";
if((date("Y/m", $startday) . "/{$daynum}") == date("Y/m/j")){
//今日なら文字を赤にする
$body .= "<span sytle=\"color:red\"><b>" . $daynum . "</b></span>";
}
else{
$body .= $daynum;
}
$body .= "</td>";
//曜日が土曜なら折り返して次の行へ
if($weekcnt++ == 6){
$body .= "</tr>";
if($daynum < $daycnt){
$body .= "<tr>";
}
//曜日を日曜に戻す
$weekcnt = 0;
}
}
//月末日より後ろの空欄となる曜日のセル
while($weekcnt > 0 and $weekcnt <= 6){
$body .= "<td> &</td>";
$weekcnt++;
}
$body .= "</table>";
?>
<!DOCTYPE HTML>
<html lang="ja-JP">
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>
<?=$body?>
</body>
</html>