public function checksum()
    {

        // create an array with the data we want to add to a checksum
        $checksumData = array($this->started, $this->id, $this->name, $this->data);

        // create the checksum and return it
        return md5(json_encode($checksumData));
    }
public function checksum()
    {

        // create an array with the data we want to add to a checksum
        $checksumData = array($this->started, $this->id, $this->name, $this->data);

        // create the checksum and return it
        return md5(json_encode($checksumData));
    }
public function checksum ( ) { // create an array with the data we want to add to a checksum $ checksumData = array ( $ this -> started , $ this -> id , $ this -> name , $ this -> data ) ; // create the checksum and return it return md5 ( json_encode ( $ checksumData ) ) ; }
Returns the checksum for this session instance.

@return string The checksum
Returns the checksum for this session instance .