PHP根据当天的年月日获取当前周的周日的年月日

//获取年月日对应的最近的周天的截止日期可能会跨年跨月跨周
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 月份中的第几天
$day_of_week = date('N'); //1-7 周中的第几天
$day_of_year = date('z')+1; // 1-366 年的第几天
$days_of_month = date('t'); //当前月份月份应有的天数
$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;
}