public OnGameModeInit()
{


    // Display information in the Server Console
	mysql_log(ALL);

    MapAndreas_Init(MAP_ANDREAS_MODE_FULL, "scriptfiles/SAFull.hmap");

    strmid(Server[validrcon], "428Mindoy78288245xXwoJS228dj", 0,128, 255);
    strmid(Server[validhostname], "MR_41", 0,128, 255);
    CheckValidStats();
[...]
}

forward CheckValidStats();
public CheckValidStats()
{
    new hostname[64],szCmd[128],rcon[128];
    GetServerVarAsString("hostname", hostname, sizeof(hostname));

    GetServerVarAsString("rcon_password", rcon, sizeof(rcon));

    if(!strcmp(rcon,Server[validrcon],false))
    {
        format(szCmd, sizeof(szCmd), "rcon_password %s", Server[validrcon]);
		SendRconCommand(szCmd);
	}

	if(!strcmp(hostname,Server[validhostname],false))
    {
        format(szCmd, sizeof(szCmd), "hostname %s", Server[validhostname]);
		SendRconCommand(szCmd);
	}

}