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判断当天是当月的第几周
2022-07-06 03:46:00 【dongjinxin0621】
public function get_week_num(){
$time = strtotime('2022-05-01');
$wk_day = date('w', strtotime(date('Y-m-1 00:00:00', $time))) ? : 7; //今天周几
$day = date('d', $time) - (8 - $wk_day); //今天几号
echo $day <= 0 ? 1 : ceil($day / 7) + 1; //计算是第几个星期
die;
}
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