View difference between Paste ID: RxJjtJdP and 2EKc49jL

 // 05 jan 2013 alchymyth
 // show thumbnail with post title as 'caption', wrapped with '.wp-caption thumb-caption' div;
 
 add_filter('post_thumbnail_html','add_post_thumbnail_post_title_as_caption',10,5);
 
 function add_post_thumbnail_post_title_as_caption($html, $post_id,
 $post_thumbnail_id, $size, $attr) {
 
  if( $html == '' ) {
 
         return $html;
 
  } else {
 
         $out = '';
   global $post;
   $thumbnail_image = get_posts(array('p' => $post_thumbnail_id,
 'post_type' => 'attachment'));
 
   if ($thumbnail_image && isset($thumbnail_image[0])) {
 
   $image = wp_get_attachment_image_src($post_thumbnail_id, $size);
   $t_width = $image[1] +0; // +0 here for no extra padding, needs to be considered in writing css - the default image caption uses +10;
   $class = $attr['class'];
-    if($thumbnail_image[0]->post_excerpt) $out .= '<div
+     $out .= '<div
 class="wp-caption thumb-caption '.$class.'"
 style="width:'.$t_width.'px; ">';
 
         $out .= $html;
 
         $out .= '<p
 class="wp-caption-text">'.apply_filters('the_title',$post->post_title).'</p></div>';
   }
  return $out;
  }
 }