MultiSite \ RSS Funtionality Issues

Hi!

I just checked the RSS source files, and the featured images exist for both regular and external featured images:

Regular Example

<description><![CDATA[
  <img width="150" height="150"
    src="https://www.bwvint.com/...HistoryChannel1-150x150.jpg"
    class="attachment-thumbnail wp-post-image"
    alt="HistoryChannel"
    style="float: left; margin-right: 5px;" />

  On this day in 1980...

External Example

<description><![CDATA[
 <img
  src="data:image/gif;base64,..."
  style="background:
     url('https://...wpengine.netdna-cdn.com/.../15-greatest-gold-heists.jpg')
     no-repeat center center;
   -webkit-background-size:cover;
   -moz-background-size:cover;
   -o-background-size:cover;
   background-size:cover;"
  class=" wp-post-image nelioefi" alt="" />

 Gold is valuable and

As you can see, both items include the featured image. The second, however, defines the actual URL of the featured image as a CSS background property (note that the src attribute is a 1px-squared transparent gif).

When this feed is rendered by, for instance, Firefox, the img tag is “cleaned” and only the src attribute is maintained:

<div class="feedEntryContent" base="https://www.bwvint.com/wp/news/feed/">
 <img class=" wp-post-image nelioefi" alt=""
  src="data:image/gif;base64,..."
  xml:base="https://www.bwvint.com/wp/news/feed/"/>
 Gold is valuable and ...

There are two possible solutions:

• Define a custom XSLT, so that the resulting HTML includes all the image attributes properly
• Edit your theme file that is responsible of rendering the RSS feed (or the plugin’s, if it’s rendered by a plugin), and check whether the post that is about to be included in the feed uses an external featured image. If it does, do not print the featured image using the (get_)the_post_thumbnail function (which will output the img tag we saw in the second block of code). Instead, obtain the URL of the external featured image (nelioefi_get_thumbnail_src(get_the_ID()) and print an img tag manually, setting its src attribute to the aforementioned URL.

I hope everything’s clear. Please, let us know if you were able to fix the issue and, if so, which solution did you apply.

Thank you for your very quick response. We’re looking at the code for the plugin called “Featured Images in RSS w/ Size and Position” version 1.3.6.

We think we’re working on the right snippet of code and would ask if you could take a look and advise us. Here is the code;

================================================================

function featured_images_in_rss($content) {
global $post;
if ( has_post_thumbnail( $post->ID ) ){
firss_settings_init(); // checks and sets default values if options have never been set before.
$featured_images_in_rss_size = get_option(‘featured_images_in_rss_size’);
$featured_images_in_rss_css_code = firss_eval_css(get_option(‘featured_images_in_rss_css’));
$content = get_the_post_thumbnail( $post->ID, $featured_images_in_rss_size, array( ‘style’ => $featured_images_in_rss_css_code ) ) . $content;
}
return $content;
}

add_filter(‘the_excerpt_rss’, ‘featured_images_in_rss’, 1000, 1);
add_filter(‘the_content_feed’, ‘featured_images_in_rss’, 1000, 1);

====================================================================

Thank you.

It’d be better to simply add code to the External Featured Image plugin to add featured images it sets to the RSS feed as an option.

Hi,

After much consideration we believe your second suggestion is the best path for moving forward and resolving this issue. Since the featured image plugin works well on the news feed site but not adding images to the RSS feed we believe modifying the RSS plugin code makes the most sense.

Could you point us to some code samples that do what you’re saying in your second suggestion?

Thanks.

Hi Sheidmal! I honestly don’t know what is the best option “in general” for resolving the issue at hand. However, I agree with you that, in your case, modifying the RSS plugin makes more sense.

If I’m not mistaken, the function you shared is the one you have to adapt. Change it so that it looks as follows:

function featured_images_in_rss($content) {
 global $post;
 if ( function_exists( 'uses_nelioefi' ) && uses_nelio( $post->ID ) ) {
  firss_settings_init(); // checks and sets default values if options have never been set before.
	$img = sprintf(
   '<img src="%s" />',
   nelioefi_get_thumbnail_src( $post->ID ) );
	$content = $img . $content;
 }
 elseif ( has_post_thumbnail( $post->ID ) ) {
  firss_settings_init(); // checks and sets default values if options have never been set before.
  $featured_images_in_rss_size = get_option('featured_images_in_rss_size');
  $featured_images_in_rss_css_code = firss_eval_css(get_option('featured_images_in_rss_css'));
  $content = get_the_post_thumbnail( $post->ID, $featured_images_in_rss_size, array( 'style' => $featured_images_in_rss_css_code ) ) . $content;
 }
 return $content;
}

On the other hand, please note that a better solution might be to adapt your child theme (if your using one) or create your own plugin. There, you could simply remove the filters:

remove_filter('the_excerpt_rss', 'featured_images_in_rss', 1000, 1);
remove_filter('the_content_feed', 'featured_images_in_rss', 1000, 1);

after they’ve been added by the original plugin, and then create your own filters. Then, simply create the aforementioned function in your own plugin/child theme (and rename it from featured_images_in_rss to nelioefi_featured_images_in_rss) and add the new filters:

add_filter('the_excerpt_rss', 'nelioefi_featured_images_in_rss', 1000, 1);
add_filter('the_content_feed', 'nelioefi_featured_images_in_rss', 1000, 1);

This way, updates on the plugin won’t overwrite your changes, for they’ll be in a different place (that is, another plugin/your child theme).

Please, let us know if this solved the issue!

Sheimdal1 opened a new support thread, where he tries to solve the issue by adapting our plugin. Therefore, this thread does no longer make any sense. Take a look at there for the solution.