src/Amadeus/Client/Session/Handler/SoapHeader4.php
protected function handlePostMessage($messageName, $lastResponse, $messageOptions, $result)
    {
        //CHECK FOR SESSION DATA:
        if ($this->isStateful() === true) {
            //We need to extract session info
            $this->sessionData = $this->getSessionDataFromHeader($lastResponse);
            $this->isAuthenticated = (!empty($this->sessionData['sessionId']) &&
                !empty($this->sessionData['sequenceNumber']) &&
                !empty($this->sessionData['securityToken']));
        } else {
            $this->isAuthenticated = false;
        }
    }
protected function handlePostMessage($messageName, $lastResponse, $messageOptions, $result)
    {
        //CHECK FOR SESSION DATA:
        if ($this->isStateful() === true) {
            //We need to extract session info
            $this->sessionData = $this->getSessionDataFromHeader($lastResponse);
            $this->isAuthenticated = (!empty($this->sessionData['sessionId']) &&
                !empty($this->sessionData['sequenceNumber']) &&
                !empty($this->sessionData['securityToken']));
        } else {
            $this->isAuthenticated = false;
        }
    }
Handles post message actions

- look for session info and set status variables
- checks for message errors?
- ends terminated sessions

@param string $messageName
@param string $lastResponse
@param array $messageOptions
@param mixed $result
@return void