$this->_component = CRM_Utils_Request::retrieve('component', 'String', $this);
$this->assign('component', $this->_component);
- $this->_context = CRM_Utils_Request::retrieve('context', 'String', $this);
+ $this->_context = CRM_Utils_Request::retrieve('context', 'Alphanumeric', $this);
$this->assign('context', $this->_context);
$this->_pageId = CRM_Utils_Request::retrieve('id', 'Positive', $this, FALSE);