[ReneG]

Assuming you just want to write to a file, you don't need MySQL for something so simple.

pawn Код:

CMD:rate(playerid, params[])
{
    new
        rate, // The amount they will rate
        name[24], // The player's name
        string[128] // The string we will format
    ;
    if(sscanf(params, "d", rate)) // if they didn't type a number
    {
        // Then tell the player how to use the command
        return SendClientMessage(playerid, -1, "USAGE: /rate [amount]");
    }
    if(rate > 5 || rate < 0)
    {
        // If the number they typed was less than 0 or more than 5
        // then it sends a message saying so.
        return SendClientMessage(playerid, -1, "Don't go below 0 or 5");
    }
    else // If they typed a number in between zero and five.
    {
        new File:rating = fopen("ratings.txt", io_append); // Open the file for writing.
        GetPlayerName(playerid, name, 24); // Get the name and store it into 'name'
        format(string, 127, "User %s rated the server %d stars.", name, rate); // format the string
        fwrite(rating, string); // Write the string above.
        fclose(rating); // close the file
    }
    return 1;
}