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1. tstruyf
   Member
   Posted 2 years ago #

   I have a homepage with a list of posts. The post consist of the exerpt, the title, and the first image from the post as thumbnail. The first 2 are no problem, the thumbnail is.

   The homepage consist of 3 loops. Two category loops and the standard loop.
   I found a function on this forums to get the image when you're inside the loop.

   (forgot the link, so sorry for not giving credit)
   

   function display_thumbnail() {
   $files = get_children('post_parent='.get_the_ID().'&post_type=attachment&post_mime_type=image');
   
     if($files) :
       $keys = array_reverse(array_keys($files));
       $j=0;
       $num = $keys[$j];
       $image=wp_get_attachment_image($num, 'large', false);
       $imagepieces = explode('"', $image);
       $imagepath = $imagepieces[1];
       $thumb=wp_get_attachment_thumb_url($num);
       print "<img src='$thumb' class='thumbnail' />";
   
     endif;
   }

   This is the code for my self-made loops

   <?php $my_query = new WP_Query('category_name=sticky_2&showposts=1'); ?>
   <?php while ($my_query->have_posts()) : $my_query->the_post(); ?>
   // HTML Template code of my post including call to function display_thumbbnail()
   <?php endwhile ?>

   Only the images in de default wordpress loop are working. The functions doesn't seems to work in my loops.

   I found that $files is NULL when the function is called from inside my loop. The function get_post_ID() return the right ID. So I conclude that get_children is not working when called from inside my loop.

   Anyone has a clue how to get this working?

   thx alot!!

2. Shane G
   Member
   Posted 2 years ago #

   Hi,

   Check with this code:

   <?php query_posts("cat=3&showposts=5"); ?>
   <?php if (have_posts()) : ?>
   <?php while (have_posts()) : the_post(); ?>
   $files = get_children(
   array(
   	'post_parent' => $post->ID,
   	'post_status' => 'inherit',
   	'post_type' => 'attachment',
   	'post_mime_type' => 'image',
   	'order' => 'ASC',
   	'orderby' => 'menu_order'
   	)
   );
   if($files) {
   	$keys = array_keys($files);
       $num = $keys[0];
   	$firstImageSrc = wp_get_attachment_image_src($num, "medium", $icon);
   	if ($firstImageSrc <> null) {
   	echo "<img src=\"{$firstImageSrc[0]}\" width=\"120\" alt=\"$title\" />"; }
   <?php endwhile; ?>
   <?php else : ?>
   <h2>Not Found</h2>
   <?php endif; ?>

   Thanks,

   Shane G.

3. tstruyf
   Member
   Posted 2 years ago #

   1. No output, $files is still empty.

   2. Even if it worked , I don't think it could solve my situation. I use custom loops with instances of the WP_Query class because I don't want to mess up default query. This is because I use pages and if I use the query_post() more then once on a page, the paging is broken.

   edit: forgot to say that the posts show fine, just no images with the code above.

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