lat,lng,id
-34.837834,1387457,2

private function getArrayFromCsv($file,$delimiter)
{

    if (($handle = fopen($file, "r")) !== FALSE) {

        $i = 0;
        while (($lineArray = fgetcsv($handle, 4000, $delimiter)) !== FALSE) {

            for ($j=0; $j<count($lineArray); $j++) {

                $dataArray[$i][$j] = $lineArray[$j];

            }

            $i++;

        }

        fclose($handle);

    }

    return $dataArray;

}

Array
(
    [0] => Array
        (
            [0] => lat
            [1] => lng
            [2] => id
        )

    [1] => Array
        (
            [0] => -34.837834
            [1] => 1387457
            [2] => 2