我的数据库中有以下数据,Day Number --> 1 to 7 (Representing Monday to Sunday)Week Number --> 1 to 5 (Representing Week Number of Month)Month Number --> 1 to 12 (Representing Jan to Dec)Year --> Can be this year future year在 PHP 中我需要生成date (YYYY-MM-DD)与上述数据相对应的...
$jan1weekday=1+(((intval($c/100)%4)*5)+$g)%7); // 6. find the weekday for y m d $h=$dayofyearnumber+($jan1weekday–1); $weekday=1+(($h–1)%7); // 7. find if y m d falls in yearnumber y-1, weeknumber 52 or 53 $foundweeknum=false; if($dayofyearnumber<=(8...
for ($week = 1; $week <= $totalWeeks; $week++) { echo '‘; for ($dayOfWeek = 1; $dayOfWeek <= 7; $dayOfWeek++) { if ($week == 1 && $dayOfWeek < $firstDayOfWeek) { // 输出空白格子 echo ' ‘; } elseif ($currentDay > $totalDays) { // 输出空白格子 echo ‘ ‘; } el...
$weekDayNumber = date("w", mktime(0, 0, 0, 1, $dayNumber, date("Y")));//当前周的第几天 $startNumber = $dayNumber - $weekDayNumber; echo date("Y-m-d", mktime(0, 0, 0, 1, $startNumber + 1, date("Y")));//开始日期 echo ""; echo date("Y-m-d", mktime(0, 0,...
($dates as $date) { $weekNumber = date('W', strtotime($date)); $groups[$weekNumber][] = $date; } // 输出分组结果 foreach ($groups as $weekNumber => $weekDates) { echo "第 " . $weekNumber . " 周:\n"; foreach ($weekDates as $date) { echo $date . "\n"; } ...
‘ . $weekday . ‘ ‘; } echo ‘ ‘; // 输出日历的表格内容 echo ‘ ‘; // 输出第一天之前的空白格 for ($i = 1; $i < $firstDayOfWeek; $i++) { echo ' ‘; } // 输出日历的每一天 $currentDay = 1; for ($i = $firstDayOfWeek; $i <= 7; $i++) { echo '‘ . $current...
while ($demoDay <= $dayCount) { $index = ++$totalDays % 7; if ($demoDay == 1) { for ($i = 0; $i < $index-1; $i++) { echo ""; } if ($index == 0 || $index == 7) { $i = 6; while ($i--) { echo ""; ...
$first_day_of_week = date('w', $first_day); // 计算这个月有多少天 $number_of_days = cal_days_in_month(CAL_GREGORIAN, $month, $year); // 开始介绍 echo ''; // 介绍头部(星期) echo ''; echo '日'; echo '一'; echo '二'; echo '三'...
php function getWeekNumberInMonth($date) { $week = new DateTime($date); $week->modify('first day of this month'); $week->modify('Monday this week'); return ceil(($week->format('N') + ($week->format('j') - 1)) / 7); } $date = '2023-04-15'; // 指定日期 $weekNumber...
d Day天 w Weekday一周的天数 ww Week of year周 h Hour小时 n Minute分 s Second秒 w、y和d的作用是完全一样的,即在目前的日期上加一天,q加3个月,ww加7天。 ? function DateAdd ($interval, $number, $date) { $date_time_array = getdate($date); ...