26   protected $connections = array();  variable in Swift_Connection_Multi
36   public function __construct($connections=array())  argument
38     foreach ($connections as $id => $conn)
40       $this->addConnection($connections[$id], $id);
55     if ($id !== null) $this->connections[$id] = $connection;
56     else $this->connections[] = $connection;
69     return $this->connections[$this->active]->read();
82     return $this->connections[$this->active]->write($command, $end);
92     foreach ($this->connections as $id => $conn)
95         $this->connections[$id]->start();
96         if ($this->connections[$id]->isAlive())
122     if ($this->active !== null) $this->connections[$this->active]->stop();
131     return (($this->active !== null) && $this->connections[$this->active]->isAlive());
138     $this->connections[$this->active]->postConnect($instance);
145     $this->connections[$this->active]->setExtension($extension, $attributes);
152     return $this->connections[$this->active]->hasExtension($name);
159     return $this->connections[$this->active]->getAttributes($name);