<?php header("Content-type: text/html; charset=utf-8"); date_default_timezone_set("Asia/Tokyo"); echo "今日の日付を曜日付きで表示<br>"; echo "今日は" . date("Y年m月d日(D)") . "<br>"; echo "今日は" . date("Y年m月d日(l)") . "<br><br>"; echo "2006年9月1日の曜日を調べる<br>"; $timestamp = mktime(0,0,0,9,1,2006); $weekday = date("w", $timestamp); echo "2006年9月1日の曜日は"; switch($weekday){ case 0; echo "日曜"; break; case 1; echo "月曜"; break; case 2: echo "火曜"; break; case 3: echo "水曜"; break; case 4: echo "木曜"; break; case 5: echo "金曜"; break; case 6: echo "土曜"; break; } ?>