Thruway\Connection::getClient PHP Method

    public function getClient()
    {
        return $this->client;
    }

 public function testReplaceOrphanedSession()
 {
     $this->_testResult = null;
     $this->_error = null;
     $this->_conn->on('open', function (\Thruway\ClientSession $session) {
         $this->_conn->getClient()->getCallee()->register($session, 'com.example.orphan_testing', array($this, 'callOrphanTest'), ['replace_orphaned_session' => 'no'])->then(function ($res = null) use($session) {
             $this->_error = 'OrphaningClient not registered';
             $this->_conn->close();
         }, function ($msg = null) use($session) {
             if ($msg instanceof \Thruway\Message\ErrorMessage) {
                 if ($msg->getErrorURI() != 'wamp.error.procedure_already_exists') {
                     $this->_testResult = $msg->getErrorURI();
                     $this->_conn->close();
                 } else {
                     $this->_conn->getClient()->getCallee()->register($session, 'com.example.orphan_testing', array($this, 'callOrphanTest'), ['replace_orphaned_session' => 'yes'])->then(function () use($session) {
                         $session->call('com.example.orphan_testing', [])->then(function ($res) {
                             $this->_conn->close();
                             $this->_testResult = "resolve";
                         }, function ($error = null) {
                             if ($error instanceof \Thruway\Message\ErrorMessage) {
                                 $this->_testResult = $error->getErrorURI();
                             } else {
                                 $this->_testResult = "rejected";
                             }
                             $this->_conn->close();
                         });
                     });
                 }
             }
         });
     });
     $this->_conn->open();
     $this->assertNull($this->_error, "Error was {$this->_error}");
     $this->assertEquals("resolve", $this->_testResult);
 }