API:IsZoneChannelOnLine

__NOTOC__
Returns if channel i of the current zone is online or not.
channel_online = IsZoneChannelOnLine(i)
== Parameters ==
=== Arguments ===
:i (number) - the number of the channel
=== Returns ===
:1 if online
:nil if offline
::(can be used similar to boolean)
== Example ==
for i=1, GetNumZoneChannels() do
	if ( IsZoneChannelOnLine(i) ) then
		DEFAULT_CHAT_FRAME:AddMessage("Channel ".. i .." is online.");
	else
		DEFAULT_CHAT_FRAME:AddMessage("Channel ".. i .." is offline.");
	end
end
== Notes ==
Used in interface/worldxml/playerframe.lua (interface.fdb).
== Related Functions ==
* GetNumZoneChannels
* GetNumParalleZones
Category:Functions