<?
//計算某一年某個月有幾周
function get_weekinfo($month)
{
$weekinfo = array();//創建一個空數組
$end_date = date('d',strtotime($month.' +1 month -1 day'));//計算當前月有多少天
//echo $end_date;
for ($i=1; $i <$end_date ; $i=$i+7) { //循環本月有多少周
$w = date('N',strtotime($month.'-'.$i)); //計算第一天是周幾
$weekinfo[] = array(date('Y-m-d',strtotime($month.'-'.$i.' -'.($w-1).' days')),date('Y-m-d',strtotime($month.'-'.$i.' +'.(7-$w).' days')));
}
//print_r($weekinfo); //當週開始時間 //結束時間
return $weekinfo;
}
//展示
function generation( $date )
{
$arr = array() ;
$ret=array();
$ret1=array();
$ret2=array();
$a=0;
foreach (get_weekinfo($date) as $k => $v)
{
//連接上個月的數據去掉
// if( date("m",strtotime($v[0])) == date("m",strtotime($date)) )
// {
$arr[] = $v;
$a++;
$ret[$a]="第".$a."周".$v[0]."~".$v[1];
$ret1[$a]=$v[0];
$ret2[$a]=$v[1];
// }
}
//月份的最後一天
$lastday = date('Y-m-d', mktime(23, 59, 59, date('m', strtotime($date))+1, 00));
$lastweek = end($arr);
//不夠下個月的數據補上
if( strtotime($lastday) > strtotime($lastweek[1]) )
{
$newendarr = array( date( 'Y-m-d',strtotime($lastweek[1])+86400 ),date( 'Y-m-d',strtotime($lastweek[1])+(86400*7) ) );
array_push($arr, $newendarr);
$a++;
$ret[$a]="第".$a."周".$newendarr[0]."~".$newendarr[1];
$ret1[$a]=$newendarr[0];
$ret2[$a]=$newendarr[1];
}
//print_r($arr);
/*
try{
//數據插入
foreach ($arr as $ke => $va)
{
$data['week'] = $ke+1; //第幾周
$data['year'] = date('Y',strtotime($date)); //年
$data['month'] = date('m',strtotime($date));//月
//每個星期的開始-結束數據填充
$i = strtotime($va[0]);
while ( $i <= strtotime($va[1]) ) {
$data['date'] = date('Y-m-d',$i); //年月日
$data['day'] = getTimeWeek( $i );//星期幾
//添加
// $this->insertData( $data );
$i = $i+86400;
}
}
return true;
} catch (\Exception $e) {
return false;
}
*/
$ret3=array($ret,$ret1,$ret2);
print_r($ret3);
return $ret3;
}
//獲取星期參數
function getTimeWeek($time)
{
$day = date("w",$time);
return ($day == 0) ? '7' : $day ;
}
// generation("2020-03-01");
get_weekinfo("2020-03");
generation( "2020-03" );
?>