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In a multisite installation, I have a loop set up on my main blog that displays all posts from sub blogs, along with a thumbnail image. The image is important and without one will break the grid.

Is there a way to reject posts that do not have a featured image?

Thanks.

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Try to use the has_post_thumbnail function. From the codex:

<?php 
//This must be in one loop

if(has_post_thumbnail()) {
    the_post_thumbnail();
} else {
    echo '<img src="'.get_bloginfo("template_url").'/images/img-default.png" />';
}
?>
  • Thanks, that's a nice solution: using a default image if one isn't supplied by the user. Would it be terrible difficult to set up some conditional statements to use a different image based on post format? – jw60660 Sep 27 '11 at 9:23
  • No, see codex.wordpress.org/Post_Formats, you may do a switch / if block using has_post_format('your_format_of_choiche'). Note that you need Wordpress > 3.1 to do that! – keatch Sep 27 '11 at 9:32

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