function expToLevel($experience) {
    $totalexp = 300;
    $dropoff35=floor($totalexp*pow(1.3,34));
    $dropoff80=floor($dropoff35*pow(1.1,45));
    $dropoff150=floor($dropoff80*pow(1.08,70));
    $dropoff180=floor($dropoff150*pow(1.05,30));
$level = ((($experience<$dropoff35)?1:(($experience<$dropoff80)?35:(($experience<$dropoff150)?80:(($experience<$dropoff180)?150:180))))+log(($experience/(($experience<$dropoff35)?300:(($experience<$dropoff80)?$dropoff35:(($experience<$dropoff150)?$dropoff80:(($experience<$dropoff180)?$dropoff150:$dropoff180))))),(($experience<$dropoff35)?(1.3):(($experience<$dropoff80)?(1.1):(($experience<$dropoff150)?(1.08):(($experience<$dropoff180)?(1.05):1.03))))));
return floor($level);
}