PHP code to get the start date and end date of the week (month) where the current date is located

// Get the start time and end time of the week on the specified date
//Organize the programmer's home
//at 2013-6-18
function getWeekRange($ date){
$ret=array();
$timestamp=strtotime($date);
$w=strftime('%u',$timestamp);
$ret['sdate']=date('Y-m-d 00 :00:00',$timestamp-($w-1)*86400);
$ret['edate']=date('Y-m-d 23:59:59',$timestamp+(7-$w)*86400) ;
return $ret;
}
// Get the start date and end date of the month of the specified date
function getMonthRange($date){
$ret=array();
$timestamp =strtotime($date);
$mdays=date('t',$timestamp);
$ret['sdate']=date('Y-m-1 00:00:00',$timestamp);
$ret ['edate']=date('Y-m-'.$mdays.' 23:59:59',$timestamp);
return $ret;
}
// The above two Application of function
function getFilter($n){
$ret=array();
switch($n){
case 1:// Yesterday
$ret['sdate']=date('Y-m-d 00:00: 00',strtotime('-1 day'));
$ret['edate']=date('Y-m-d 23:59:59',strtotime('-1 day'));
break;
case 2: //This week
$ret=getWeekRange(date('Y-m-d'));
break;
case 3://Previous week
$strDate=date('Y-m-d',strtotime('-1 week '));
$ret=getWeekRange($strDate);
break;
case 4: //Last week
$strDate=date('Y-m-d',strtotime('-2 week'));
$ ret=getWeekRange($strDate);
break;
case 5: //This month
$ret=getMonthRange(date('Y-m-d'));
break;
case 6://Last month
$strDate= date('Y-m-d',strtotime('-1 month'));
$ret=getMonthRange($strDate);
break;
}
return $ret;
}
?>