Channel Groups API for PubNub PHP SDK

Channel Groups allows PubNub developers to bundle thousands of channels into a group that can be identified by name. These Channel Groups can then be subscribed to, receiving data from the many backend-channels the channel group contains.

Learn more about our Channel Groups here.

Channel Group operations

You can't publish to a Channel Group. You can only subscribe to it. To publish within Channel Group, you need to publish to each channel individually.

Adding Channels

Requires Stream Controller add-on Requires that the Stream Controller add-on is enabled for your key. See this page on enabling add-on features on your keys:
https://support.pubnub.com/hc/en-us/articles/360051974791-How-do-I-enable-add-on-features-for-my-keys-

Description

This function adds a channel to a channel group.

Method(s)

Adding Channels is accomplished by using the following method(s) in the PHP V4 SDK:

Note

200 channels can be added to the channel group per API call.

```
$pubnub->addChannelToChannelGroup()->channels(string&#124;array)->channelGroup(string)->sync();
```
Parameter Type Required Description

channels String|Array Yes The channels to add to the channel group.

channelGroup String Yes The channelGroup to add the channels to.

Parameter	Type	Required	Description
`channels`	String\|Array	Yes	The `channels` to add to the channel group.
`channelGroup`	String	Yes	The `channelGroup` to add the channels to.

Basic Usage

Adding Channels :

$pubnub->addChannelToChannelGroup()
    ->channels(["ch1", "ch2"])
    ->channelGroup("cg1")
    ->sync();

Rest Response from Server

{
    "service" : "channel-registry",
    "status"  : 200,
    "error"   : false,
    "message" : "OK"
}

Listing Channels

Description

This function lists all the channels of the channel group.

Method(s)

Listing Channels is accomplished by using the following method(s) in the PHP V4 SDK:

```
$pubnub->listChannelsInChannelGroup()->channelGroup(string)->sync();
```
Parameter Type Required Description

channelGroup String Yes The channel group to fetch channels.

Parameter	Type	Required	Description
`channelGroup`	String	Yes	The `channel group` to fetch channels.

Basic Usage

Listing Channels:

$pubnub->listChannelsInChannelGroup()
    ->channelGroup("cg1")
    ->sync();

Rest Response from Server

{
    "status" : 200,
    "payload" : {
        "channels" : ["hi"],
        "group" : "abcd"
    },
    "service" : "channel-registry",
    "error" : False
}

Removing Channels

Description

This function removes the channels from the channel group.

Method(s)

Removing Channels is accomplished by using the following method(s) in the PHP V4 SDK:

```
$pubnub->removeChannelFromChannelGroup()->channels(string&#124;array)->channelGroup(string)->sync();
```
Parameter Type Required Description

channels String|Array Yes channels to remove from the channel group.

channelGroup String Yes Specifies ChannelGroup to remove.

Parameter	Type	Required	Description
`channels`	String\|Array	Yes	`channels` to remove from the channel group.
`channelGroup`	String	Yes	Specifies `ChannelGroup` to remove.

Basic Usage

Removing channels:

$pubnub->removeChannelFromChannelGroup()
    ->channels("son")
    ->channelGroup("family")
    ->sync();

Rest Response from Server

{
    "status" : 200,
    "message" : "OK",
    "service" : "channel-registry",
    "error" : False
}

Deleting Channel Group

Description

This function removes the channel group.

Method(s)

Deleting Channel Group is accomplished by using the following method(s) in the PHP V4 SDK:

```
$pubnub->removeChannelGroup()->channelGroup(string)->sync();
```
Parameter Type Required Description

channelGroup String Yes The channelGroup to remove.

Parameter	Type	Required	Description
`channelGroup`	String	Yes	The `channelGroup` to remove.

Basic Usage

Deleting Channel Group:

$pubnub->removeChannelGroup()
    ->channelGroup("family")
    ->sync();

Rest Response from Server

{
    "status" : 200,
    "message" : "OK",
    "service" : "channel-registry",
    "error" : False
}