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I'm trying to get the thumbnail of my featured image to display on my home.php (blog) page.

It is displaying fine, but when debugging mode is turned on, I get this error:

Notice: Trying to get property of non-object in /Applications/MAMP/htdocs/wpflat/wp-content/themes/wpflat/content-blog.php on line 2

My code is

<a href="<?php the_permalink();?>"><?php echo get_the_post_thumbnail($page->id, 'thumbnail'); ?></a>

How do I solve this issue?

  • You need to show more code. What is $page? – vancoder Apr 24 '14 at 23:25
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I believe from your error that you are using this code inside the loop. You should be using the_post_thumbnail(). The code you are using is used outside the loop.

EDIT

It is always good practice to always first check if you have a thumbnail to display

So you should use

<?php if(has_post_thumbnail()): ?>
   <a href="<?php the_permalink();?>">
      <?php the_post_thumbnail( 'thumbnail'); ?>
   </a>
<?php endif; ?>
  • Great. Your code worked. Thanks a lot!! The image was in the loop, however the issue was that I added $page->id to the code when I should have left it out. That is why it came with the error "Trying to get property of non-object" – user50763 Apr 25 '14 at 8:02

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