View difference between Paste ID: UKYB13LY and

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+add_action('widgets_init', 'campus_html');
 function campus_html() { // function name matches name from add_action
   register_widget('Campus_HTML');
 }
 
 class Campus_HTML extends WP_Widget {
 
   function Campus_HTML() { // function name matches class name
       $widget_ops = array(
           'classname'=>'campus-html-widget', // class that will be added to li element in widgeted area ul
           'description'=>'Campus HTML Widget' // description displayed in admin
           );
       $control_ops = array(
           'width'=>200, 'height'=>250, // width of input widget in admin
           'id_base'=>'campus-html-widget' // base of id of li element ex. id="example-widget-1"
           );
       $this->WP_Widget('campus-html-widget', 'Campus HTML', $widget_ops, $control_ops); // "Example Widget" will be name in control panel
   }
 
   function widget($args, $instance) {
           extract($args);
 
           // these are our widget options
           $output = $before_widget;
 
           // how input text will be displayed
           $output .= '<img class="sixteen_nine" src="'.$instance['image'].'" width="300" height="169">';
           $output .= '<h3>'.$instance['title'].'</h3>';
           $output .= var_dump($instance['campus']);
           $output .= '<p>'.$instance['text'].' <a href="'.$instance['url'].'" title="Continue">Continue</a></p>';
 
           $output .= $after_widget;
 
           echo $output;
       }
 
   function update( $new_instance, $old_instance ) {
       $instance = $old_instance;
       $instance['campus'] = $new_instance['campus'];
       $instance['title'] = $new_instance['title'];
       $instance['image'] = $new_instance['image'];
       $instance['text'] = $new_instance['text'];
       $instance['url'] = $new_instance['url'];
 
       return $instance;
   }
 
   function form( $instance ) {
 
       $defaults = array(
         'campus' => 'peoria',
         'title' => 'Title Here',
         'image' => '/images/16x9_blank.png',
         'text' =>'default text',
         'url' => 'http://www.google.com');
       $instance = wp_parse_args( (array) $instance, $defaults );
 
       ?>
       <p>
         <label for="<?php echo $this->get_field_id( 'campus' ); ?>">Campus: <?php echo $instance['campus']; ?></label>
         <select id="<?php echo $this->get_field_id( 'campus' ); ?>" name="<?php echo $this->get_field_id( 'campus' ); ?>">
         <?php
           foreach (campus_array() as $campus) {
             if ($instance['campus'] == $campus) $selected = 'selected="selected"';
             echo '<option value="'.$campus.'" id="'.$campus.'" '.$selected.'>'.ucwords($campus).'</option>';
           }
         ?>
         </select>
       </p>
       <p>
           <label for="<?php echo $this->get_field_id( 'title' ); ?>">Title:</label>
           <input id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" style="width:100%;" value="<?php echo $instance['title']; ?>" />
       </p>
       <p>
           <label for="<?php echo $this->get_field_id( 'image' ); ?>">Image :</label>
           <input id="<?php echo $this->get_field_id( 'image' ); ?>" name="<?php echo $this->get_field_name( 'image' ); ?>" style="width:100%;" value="<?php echo $instance['image']; ?>" />
       </p>
       <p>
           <label for="<?php echo $this->get_field_id( 'text' ); ?>">HTML:</label>
           <textarea id="<?php echo $this->get_field_id( 'text' ); ?>" name="<?php echo $this->get_field_name( 'text' ); ?>" style="width:100%;min-height:100px;"><?php echo $instance['text']; ?></textarea>
       </p>
       <p>
           <label for="<?php echo $this->get_field_id( 'url' ); ?>">URL:</label>
           <input id="<?php echo $this->get_field_id( 'url' ); ?>" name="<?php echo $this->get_field_name( 'url' ); ?>" style="width:100%;" value="<?php echo $instance['url']; ?>" />
       </p>
 
   <?php }
 } //end widget class