时间格式化

时间格式化

//格式化时间
function format_date($beforetime)
{
    $time= time() - $beforetime;
    $today=strtotime(date("M-d-y",mktime(0,0,0,date("m"),date("d"),date("Y"))));
    if($time =60 && $time$today){
            $return="今天 ".date("H:i",$beforetime);
        }elseif($beforetime($today-86400)){
            $return="昨天 ".date("H:i",$beforetime);
        }else{
            $return=date("Y-m-d H:i",$beforetime);
        }
    }
    return $return;
}