Method getVar

/**
 * Get a router variable
 *
 * @param   string  $key  The name of the variable
 *
 * @return  mixed  Value of the variable
 *
 * @since   1.5
 */
public function getVar($key)
{
    $result = null;
    if (isset($this->vars[$key])) {
        $result = $this->vars[$key];
    }
    return $result;
}