[coakiddo]

PHP код:

public OnPlayerConnect(playerid)
{
     new string[128],account[MAX_PLAYER_NAME];
     GetPlayerName(playerid,account,sizeof(account));
     format(string, sizeof(string), "SELECT * FROM `users` WHERE `Name` = '%s' LIMIT 1", account);
     mysql_function_query(mCon, string, true, "CheckAccount", "i",playerid);
     return 1;
}
forward CheckAccount(playerid);
public CheckAccount(playerid)
{
      new rows, fields;
      cache_get_data(rows, fields);
      if(rows) // Login code here
      {
      }
      else // Register code here
      {
      }
      return 1;
} 


There, also read this: http://forum.sa-mp.com/showpost.php?...postcount=2141