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<?php
namespace Ably;
class Channels {
private $ably;
private $channels = [];
/**
* Constructor
* @param AblyRest $ably Ably API instance
*/
public function __construct( AblyRest $ably ) {
$this->ably = $ably;
}
/**
* Creates a new Channel object for the specified channel if none exists, or returns the existing channel
* Note that if you request the same channel with different parameters, all the instances
* of the channel will be updated.
* @param string $name Name of the channel
* @param array|null $options ChannelOptions for the channel
* @return \Ably\Channel
*/
public function get( $name, $options = null ) {
if ( isset( $this->channels[$name] ) ) {
if ( !is_null( $options ) ) {
$this->channels[$name]->setOptions( $options );
}
return $this->channels[$name];
} else {
$this->channels[$name] = new Channel( $this->ably, $name, is_null( $options ) ? [] : $options );
return $this->channels[$name];
}
}
/**
* Releases the channel resource i.e. it’s deleted and can then be garbage collected
* @param string $name Name of the channel
*/
public function release( $name ) {
if ( isset( $this->channels[$name] ) ) {
unset( $this->channels[$name] );
}
}
}