forward ServerLog(playerid, string[]);

public ServerLog(playerid, string[])
{
    new day, month, year, hour, minute, second, entry[192], filename[32], File:file;
    getdate(year, month, day);
    gettime(hour, minute, second);
    format(entry, sizeof (entry), "[%02i:%02i:%02i] %s(%d): %s\r\n", hour, minute, second, PlayerName(playerid), playerid, string);
    format(filename, sizeof (filename), "Server/Logs/%02i.%s.%i.log", day, GetMonth(), year); //
    file = ((fexist(filename)) ? (fopen(filename, io_append)) : (fopen(filename, io_write)));
    fwrite(file, entry);
    fclose(file);
    return 1;
}

ServerLog("%s(%d) Is a banana", PlayerName(playerid), playerid);

&&

ServerLog(string);

printf("%s(%d) Is a banana", PlayerName(playerid), playerid);

&&

printf(string);

stock SendPlayerDebugMessage(playerid, debuglevel, const message[], {Float,_}:...)
{
    if(gPlayers[playerid][debugmode] < debuglevel) return false;
    new text[256], tmptext[256], curpos, lastpos, nextpos, bool:extended;
    for(new i = 3; i < numargs(); i ++)    // This is the important part, it formats the string parameter by parameter
    {
                // Get position in string
        curpos = (i == 3) ? (0) : (strfind(message, "%", true, lastpos) + (extended ? 4 : 2));
        nextpos = strfind(message, "%", true, curpos);
                // Check if the current format string has additional data (e.g. %.2f, %3d)
        extended = (message[nextpos + 1] != 'd' && message[nextpos + 1] != 'i' && message[nextpos + 1] != 'f' && message[nextpos + 1] != 's' && \
            message[nextpos + 1] != 'c' && message[nextpos + 1] != 'b' && message[nextpos + 1] != 'x' && message[nextpos + 1] != '%');
                // Cut out the format string
        strmid(tmptext, message, curpos, nextpos + (extended ? 4 : 2));
        lastpos = curpos + 1;
                // Finally format the substring
        format(tmptext, sizeof(tmptext), tmptext, getarg(i));
        format(text, sizeof(text), "%s%s", text, tmptext);
    }
    strmid(tmptext, message, nextpos + (extended ? 5 : 3), strlen(message));
    format(text, sizeof(text), "%s%s", text, tmptext);
    SendClientMessage(playerid, COLOR_DEBUG, text);
    return true;
}