获取当月起止时间和获取当天起止时间

function getThismonthStartAndEnd(){

$beginThisMonth=date('Y-m-d H:i:s',mktime(0,0,0,date('m'),1,date('Y')));
$endThismonth=date('Y-m-d H:i:s',mktime(23,59,59,date('m'),date('t'),date('Y')));
$data=array(
"begin"=>$beginThisMonth,
"end"=>$endThismonth
);
return $data;

}

function getThisdayStartAndEnd(){

$t = time();
$start = date('Y-m-d H:i:s',mktime(0,0,0,date("m",$t),date("d",$t),date("Y",$t)));
$end = date('Y-m-d H:i:s',mktime(23,59,59,date("m",$t),date("d",$t),date("Y",$t)));

$data=array(
"begin"=>$start,
"end"=>$end
);
return $data;
}