apply_filters( 'the_content_feed', string $content, string $feed_type )

Filters the post content for use in feeds.


$content string
The current post content.
$feed_type string
Type of feed. Possible values include 'rss2', 'atom'.
Default 'rss2'.

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More Information

  • The “the_content_feed” filter is used to filter the content of the post after it is retrieved from the database and filtered by “the_content” hook and before it is sent to RSS reader (or browser).
  • The filter callback function must return the content after it is finished processing, or feed readers will see a blank item and other plugins also filtering the feed content may generate errors.

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File: wp-includes/feed.php. View all references

return apply_filters( 'the_content_feed', $content, $feed_type );

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Version Description
2.9.0 Introduced.

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User Contributed Notes

  1. Skip to note 1 content
    Contributed by Steven Lin

    Example Migrated from Codex:

    Count the number of words in $content, then add the count number as paragraph to the bottom of $content.

    add_filter( "the_content_feed", "plugin_function_name" );
    * @param  $content Content of post
    * @return string
    function plugin_function_name($content)
       $content .= '<p>Total of '.str_word_count($content).' words.</p>';
       return $content;

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