PHP shows a few days ago time function

    /** Friendly time display * * @param int $sTime time to display * @param string $type type. Normal | mohu | full | ymd | ot Her * @param string $alt expired * @return string*/    functionFriendlydate ($sTime,$type= ' normal ',$alt= ' false ') {        if(!$sTime)            return‘‘; //stime= source time, ctime= current time, dtime= difference        $cTime= Time(); $dTime=$cTime-$sTime; $dDay=intval(Date("Z",$cTime)) -intval(Date("Z",$sTime)); //$dDay = intval ($dTime/3600/24);        $dYear=intval(Date("Y",$cTime)) -intval(Date("Y",$sTime)); //normal:n seconds ago, n minutes ago, n hours ago, date        if($type= = ' normal '){            if($dTime< 60 ){                if($dTime< 10){                    return' Just ';//by Yangjs}Else{                    return intval( Floor($dTime/10) * 10). " Seconds Ago "; }            }ElseIf($dTime< 3600 ){                return intval($dTime/60). " Minutes Ago "; //today's data. Same year. Same date .}ElseIf($dYear==0 &&$dDay= = 0  ){                //return Intval ($dTime/3600). " Hours ago ";                return' Today '.Date(' H:i ',$sTime); }ElseIf($dYear==0){                return Date("M-month D-Day h:i",$sTime); }Else{                return Date("Y-m-d h:i",$sTime); }        }ElseIf($type= = ' Mohu '){            if($dTime< 60 ){                return $dTime." Seconds Ago "; }ElseIf($dTime< 3600 ){                return intval($dTime/60). " Minutes Ago "; }ElseIf($dTime>= 3600 &&$dDay= = 0  ){                return intval($dTime/3600). " Hours ago "; }ElseIf($dDay> 0 &&$dDay<=7 ){                return intval($dDay)." Days Ago "; }ElseIf($dDay> 7 &&$dDay<= 30 ){                return intval($dDay/7). ' Weeks ago '; }ElseIf($dDay> 30 ){                return intval($dDay/30). ' A month ago '; }        //full:y-m-d, H:i:s}ElseIf($type= = ' Full '){            return Date("Y-m-d, h:i:s",$sTime); }ElseIf($type= = ' Ymd '){            return Date("Y-m-d",$sTime); }Else{            if($dTime< 60 ){                return $dTime." Seconds Ago "; }ElseIf($dTime< 3600 ){                return intval($dTime/60). " Minutes Ago "; }ElseIf($dTime>= 3600 &&$dDay= = 0  ){                return intval($dTime/3600). " Hours ago "; }ElseIf($dYear==0){                return Date("Y-m-d h:i:s",$sTime); }Else{                return Date("Y-m-d h:i:s",$sTime); }        }    }

PHP shows a few days ago time function