|  | @@ 506-507 (lines=2) @@ | 
                                                            
                                    | 503 |  | 	 */ | 
                                                            
                                    | 504 |  | 	public static function get_help_tab_link( $help_tab_id, $page = FALSE, $action = FALSE, $icon_style = FALSE, $help_text = FALSE ) { | 
                                                            
                                    | 505 |  |  | 
                                                            
                                    | 506 |  | 		if ( ! $page ) | 
                                                            
                                    | 507 |  | 			$page = isset( $_REQUEST['page'] ) && ! empty( $_REQUEST['page'] ) ? sanitize_key( $_REQUEST['page'] ) : $page; | 
                                                            
                                    | 508 |  |  | 
                                                            
                                    | 509 |  | 		if ( ! $action ) | 
                                                            
                                    | 510 |  | 			$action = isset( $_REQUEST['action'] ) && ! empty( $_REQUEST['action'] ) ? sanitize_key( $_REQUEST['action'] ) : $action; | 
                                                                                
                                |  | @@ 509-510 (lines=2) @@ | 
                                                            
                                    | 506 |  | 		if ( ! $page ) | 
                                                            
                                    | 507 |  | 			$page = isset( $_REQUEST['page'] ) && ! empty( $_REQUEST['page'] ) ? sanitize_key( $_REQUEST['page'] ) : $page; | 
                                                            
                                    | 508 |  |  | 
                                                            
                                    | 509 |  | 		if ( ! $action ) | 
                                                            
                                    | 510 |  | 			$action = isset( $_REQUEST['action'] ) && ! empty( $_REQUEST['action'] ) ? sanitize_key( $_REQUEST['action'] ) : $action; | 
                                                            
                                    | 511 |  |  | 
                                                            
                                    | 512 |  | 		$action = empty($action) ? 'default' : $action; | 
                                                            
                                    | 513 |  |  |