if (strcmp(command, ".players", true) == 0)
{
    new players = CurrentPlayers(), string[256];
    new playerlist[256] = PlayerList(strval(TextArguments));
    format(string, sizeof(string), "Current players on server: %i", players);
    ircSay(conn, channel, string);
    format(string, sizeof(string), "List of current players: %s", playerlist);
	ircSay(conn, channel, string);
}

stock PlayerList(users) { // Example: PlayerList(30) would show 30 users or PlayerList(MAX_PLAYERS) would show them all
	new players[MAX_PLAYERS], playernum = 0;
	for(new i = 0; i <= users; i++) { // Loop through
	    if(IsPlayerConnected(i)) { // Check if they're connected
	        playernum++;
	        players[playernum] = PlayerName(i);
		 }
	}
	return players; // Return the array
}

stock PlayerName(playerid) {
	new name[MAX_PLAYER_NAME]; // Make the variable
	GetPlayerName(playerid, name, sizeof(name)); // Get the name and save to the variable
	return name; // Return the name
}