// This function gets called when a police player presses the FIRE key (to fine nearby wanted players) when he's on foot
Police_FineNearbyPlayers(playerid)
{
    // Setup local variables
    new Float:x, Float:y, Float:z;

    // Scan through all players
    for (new PlayerToCheck; PlayerToCheck < MAX_PLAYERS; PlayerToCheck++)
    {
        // check if this player is connected
        if (IsPlayerConnected(PlayerToCheck))
        {
            // Check if the other player isn't the same police player
            if (PlayerToCheck == playerid)
            {
                // Check if the current player is wanted and the wanted player is driving slowly (below 30 kph)
                if ((GetPlayerWantedLevel(PlayerToCheck) > 0) && (APlayerData[PlayerToCheck][PlayerSpeed] < 30))
                {
                    // Get the position of this player
                    GetPlayerPos(PlayerToCheck, x, y, z);

                    // Check if the police-player is in range of the player (police player and wanted player must be within 10 meters of eachother)
                    if (IsPlayerInRangeOfPoint(playerid, 10.0, x, y, z))
                    {
                        // Fine the player
                        Police_PayFine(playerid, PlayerToCheck);
                        SendClientMessage(playerid, COLOR_GREY, "Worked..");
                        // Exit the function
                        return 1;
                    }

                    // Check if the police-player is in range of the player (he can be inside his vehicle or on foot)
                    if (IsPlayerInRangeOfPoint(playerid, 50.0, x, y, z))
                    {
                        GameTextForPlayer(PlayerToCheck, "~r~This is the police! Stop at once!~w~", 3000, 4); // Warn the player
                        // Also start a timer which gives the player a chance to stop and get a fine
                        // If he doesn't stop, the player will be sent to jail when he gets fined
                        if (APlayerData[PlayerToCheck][PoliceWarnedMe] == false)
                        {
                            APlayerData[PlayerToCheck][PoliceWarnedMe] = true;
                            APlayerData[PlayerToCheck][Value_PoliceCanJailMe] = DefaultWarnTimeBeforeJail;
                            APlayerData[PlayerToCheck][Timer_PoliceCanJailMe] = SetTimerEx("Timer_PoliceCanJailPlayer", 5000, true, "i", PlayerToCheck);
                        }
                    }
                }
            }
        }
    }

    return 1;
}

if (PlayerToCheck == playerid)

//should be
if (PlayerToCheck != playerid)

if ((GetPlayerWantedLevel(PlayerToCheck) > 0) && (APlayerData[PlayerToCheck][PlayerSpeed] < 30))

if (GetPlayerWantedLevel(PlayerToCheck) > 0 && APlayerData[PlayerToCheck][PlayerSpeed] < 30)