PHP根據當天的年月日獲取當前周的周日的年月日

//獲取年月日對應的最近的周天的截止日期 可能會  跨年  跨月 跨周
function GetClearWeek() {
    $year_month_day_over = array();
    $year = date('Y');  //四位 的年份
    $month = date('n'); //1 到 12
    $day_of_month = date('j');//1-31 月份中的第幾天
    $day_of_week = date('N'); //1-7 周中的第幾天
    $day_of_year = date('z')+1; // 1-366 年的第幾天
    $days_of_month = date('t'); //當前月份 月份應有的天數


$day_should_over = $day_of_month - $day_of_week + 7;
if($day_should_over > $days_of_month) {
    $month_over = $month + 1;
    if($month_over > 12) {
        $year_month_day_over = array(
            'year_over' => $year + 1,'month_over' => 1,'day_over' => $day_should_over - $days_of_month,
        );
    } else {
        $year_month_day_over = array(
            'year_over' => $year ,'month_over' => $month + 1,'day_over' => $day_should_over - $days_of_month,
        );
    }
} else {
    $year_month_day_over = array(
        'year_over' => $year ,'month_over' => $month,'day_over' => $day_should_over,
    );
}
return $year_month_day_over;

}</pre>