|  | @@ 538-541 (lines=4) @@ | 
                                                            
                                    | 535 |  |                 $options[ 'class' ] = implode( ' ', $options[ 'class' ] ); | 
                                                            
                                    | 536 |  |  | 
                                                            
                                    | 537 |  |             $options[ 'class' ] = (string) $options[ 'class' ]; | 
                                                            
                                    | 538 |  |             if ( isset( $attributes[ 'class' ] ) ) | 
                                                            
                                    | 539 |  |                 $attributes[ 'class' ] = $attributes[ 'class' ] . ' ' . $options[ 'class' ]; | 
                                                            
                                    | 540 |  |             else | 
                                                            
                                    | 541 |  |                 $attributes[ 'class' ] = $options[ 'class' ]; | 
                                                            
                                    | 542 |  |  | 
                                                            
                                    | 543 |  |             $attributes[ 'class' ] = trim( $attributes[ 'class' ] ); | 
                                                            
                                    | 544 |  |         } | 
                                                                                
                                |  | @@ 547-550 (lines=4) @@ | 
                                                            
                                    | 544 |  |         } | 
                                                            
                                    | 545 |  |  | 
                                                            
                                    | 546 |  |         if ( !empty( $classes ) ) { | 
                                                            
                                    | 547 |  |             if ( isset( $attributes[ 'class' ] ) ) | 
                                                            
                                    | 548 |  |                 $attributes[ 'class' ] = $attributes[ 'class' ] . ' ' . $classes; | 
                                                            
                                    | 549 |  |             else | 
                                                            
                                    | 550 |  |                 $attributes[ 'class' ] = $classes; | 
                                                            
                                    | 551 |  |         } | 
                                                            
                                    | 552 |  |  | 
                                                            
                                    | 553 |  |         if ( isset( $options[ 'placeholder' ] ) && !empty( $options[ 'placeholder' ] ) ) { |