|  | @@ 1995-1997 (lines=3) @@ | 
                                                            
                                    | 1992 |  |             $pay_url = add_query_arg( array( 'wpi_action' => 'pay_for_invoice', 'invoice_key' => $key ), $pay_url ); | 
                                                            
                                    | 1993 |  |         } | 
                                                            
                                    | 1994 |  |          | 
                                                            
                                    | 1995 |  |         if ( $secret ) { | 
                                                            
                                    | 1996 |  |             $pay_url = add_query_arg( array( '_wpipay' => md5( $this->get_user_id() . '::' . $this->get_email() . '::' . $key ) ), $pay_url ); | 
                                                            
                                    | 1997 |  |         } | 
                                                            
                                    | 1998 |  |  | 
                                                            
                                    | 1999 |  |         return apply_filters( 'wpinv_get_checkout_payment_url', $pay_url, $this, $with_key, $secret ); | 
                                                            
                                    | 2000 |  |     } | 
                                                                                
                                |  | @@ 2005-2007 (lines=3) @@ | 
                                                            
                                    | 2002 |  |     public function get_view_url( $secret = false, $with_key = false ) { | 
                                                            
                                    | 2003 |  |         $print_url = get_permalink( $this->ID ); | 
                                                            
                                    | 2004 |  |          | 
                                                            
                                    | 2005 |  |         if ( $secret ) { | 
                                                            
                                    | 2006 |  |             $print_url = add_query_arg( array( '_wpipay' => md5( $this->get_user_id() . '::' . $this->get_email() . '::' . $this->get_key() ) ), $print_url ); | 
                                                            
                                    | 2007 |  |         } | 
                                                            
                                    | 2008 |  |          | 
                                                            
                                    | 2009 |  |         if ( $with_key ) { | 
                                                            
                                    | 2010 |  |             $print_url = add_query_arg( 'invoice_key', $this->get_key(), $print_url ); |