csv

function getCsvData($fileName)
{
    $fp = fopen($fileName, 'r');
    $head = fgetcsv($fp, 4096, ';', '"');
    $res = array();
    $counter = 1;
    while ($column = fgetcsv($fp, 0, ';', '"')) {
        $counter++;
        $column = array_combine($head, $column);
        $res[] = $column;
    }
    fclose($fp);
    return $res;
}

function putCsvData($fileName, $data)
{
    $fp = fopen($fileName, 'rw');
    $head = fgetcsv($fp, 4096, ';', '"');
    if (!$head) {
        $headStr = implode(";", array_keys($data));
        file_put_contents($fileName, $headStr);
        $head = array_keys($data);
    }
    if ($head) {
        foreach ($head as $code) {
            if ($data[$code]) {
                $csvData[] = $data[$code];
            }
        }
    }
    if (count($head) == count($csvData)) {
        $csvStr = implode(";", $csvData);
    }
    if ($csvStr) {
        file_put_contents($fileName, file_get_contents($fileName) . "\r\n" . $csvStr);
    }
    fclose($fp);
}

getCsvData("../orders.csv");
putCsvData("../orders.csv", ["THEME" => "Paola1", "NAME" => "name2", "TEL" => "tel2", "MAIL" => "mail1", "IP" => "ip1", "POLICY" => "no", "DATE" => "date1"])