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I am displaying the attachments on the parent post page with this code :

        $args = array('post_type' => 'attachment', 'post_mime_type' => 'image', 'order'=> 'ASC', 'numberposts' => -1, 'post_status' => null, 'post_parent' => $post->ID ); 
        $attachments = get_posts($args);
        if ($attachments) {
            foreach ( $attachments as $attachment ) {
            $attachments_url[] = $my_image;
            $attachments_caption[] = get_the_excerpt();
            }
        }

problem is that the excerpt doesn't get the attachment's caption but the post excerpt.

do you know how to display the attachment's captions ? thank you

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auto answer. $attachments_caption[] = $attachment->post_excerpt; is working –  rogaroga Oct 28 '11 at 18:19
1  
Post that as an answer, rather than as a comment to your question - and then be sure to come back later and accept the answer as correct. –  Chip Bennett Oct 28 '11 at 19:23

3 Answers 3

get_the_excerpt() should work for getting caption just fine.

Your issue is that it looks for post to process in global variables and in your code there you are not setting it up with attachments you are iterating through.

You need to use setup_postdata() for it to work.

Other way would be something like:

get_post_field('post_excerpt', $attachment->ID);
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This will fix your issue

$attachments = attachments_get_attachments();
$total_attachments = count( $attachments );
if( $total_attachments ){
 for( $i=0; $i<$total_attachments; $i++ ){
     echo $attachments[$i]['title']; 
     echo $attachments[$i]['caption'];
     echo $attachments[$i]['id'];
     echo $attachments[$i]['location'];
     echo $attachments[$i]['mime'];
     echo $attachments[$i]['filesize']; 
 }
}
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You could try wp_prepare_attachment_for_js($id) and return everything you need for attachement.

You'll recive an array with this:

  • id
  • title
  • filename
  • url
  • link
  • alt
  • author
  • description
  • caption
  • name
  • status
  • uploadedTo
  • date
  • modified
  • menuOrder
  • mime
  • type
  • subtype
  • icon
  • dateFormatted
  • nonces
  • editLink
  • sizes
  • width
  • height
  • fileLength
  • compat

Check here: http://codex.wordpress.org/Function_Reference/wp_prepare_attachment_for_js

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