gistfile1.txt

if ($distance < 80)
        {
            $d = 150;
        }
        elseif (in_array($distance, range(81, 120)))
        {
            $d = round($distance*2.0);
        }
        elseif (in_array($distance, range(121, 150)))
        {
            $d = round($distance*1.9);
        }
        elseif (in_array($distance, range(151, 200)))
        {
            $d = round($distance*2.2);
        }
        elseif (in_array($distance, range(201, 250)))
        {
            $d = round($distance*2.1);
        }
        elseif (in_array($distance, range(251, 300)))
        {
            $d = round($distance*1.6);
        }
        elseif (in_array($distance, range(301, 450)))
        {
            $d = round($distance*1.5);
        }
        elseif (in_array($distance, range(451, 600)))
        {
            $d = round($distance*1.2);
        }
        elseif (in_array($distance, range(601, 750)))
        {
            $d = round($distance*0.9);
        }
        elseif (in_array($distance, range(751, 800)))
        {
            $d = round($distance*0.7);
        }
        elseif (in_array($distance, range(801, 1050)))
        {
            $d = round($distance*0.8);
        }
        elseif (in_array($distance, range(1051, 1200)))
        {
            $d = round($distance*0.7);
        }
        elseif (in_array($distance, range(1201, 1450)))
        {
            $d = round($distance*0.6);
        }
        elseif (in_array($distance, range(1451, 1800)))
        {
            $d = round($distance*0.5);
        }
        elseif (in_array($distance, range(1801, 2000)))
        {
            $d = round($distance*0.6);
        }
        elseif (in_array($distance, range(2001, 2999)))
        {
            $d = round($distance*0.5);
        }
        elseif ($distance > 3000) {
            $d = round($distance * 0.4);
        }