Mysql返回带有键和Tabelle名称的数组-删除键

  $db = $db->first("SELECT * FROM devices LEFT JOIN customer ON devices.customerid = customer.customerid WHERE devices.hash = '".$hash."' OR devices.deviceid = '".$hash."'");

使用此功能:

    //Select Datenbankanfrage, erste Zeile
function first($query, $restype=0) {
    $this->querystring = $query;

    if ( $restype==1 ) $restype=MYSQLI_ASSOC;
    else $restype=MYSQLI_BOTH;

    $result = $this->query($query); //Query
    if ( !$result ) return false;

    $row = $result->fetch_array($restype);
    $result->free();

    return $row;
}

但我收到一封 array 以按键作为响应:

1 => Maxii
Name => Maxii
2 => Streetfromthe
Street => Streetfromthe

如何禁用键(1,2)或如何在数组中删除它?

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