Cross reference a CSV (excel) file (column by row) for a value

matrix_chart_csv.php

<?PHP
// Get value from matrix chart. H = first column going down, W = first row across
function getValueFromCSV($h, $w) {
    $v = 0;
    $k = 0;
    $row = 0;
    if (($handle = fopen("test.csv", "r")) !== FALSE) {
        while (($data = fgetcsv($handle, 100, ",")) !== FALSE) {
            $key = array_search($w, $data, true);
            if ($key != null && $row == 0)
                $k = $key;
            if (in_array ($h,$data)){
                $v = $data[$k];
            }
        }
        $row++;
    }
    fclose($handle);
    return $v;
}

if ($v = getValueFromCSV("test1","20"))
    echo "FOUND IT - ".$v;
else
    echo "DIDN'T FIND IT";
?>

test.csv