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I have a blog with "dynamic content" (one type of post data is changing (the date, too) based on some circumstances). If I give the feed to one RSS feeder and one chatfuel based chatbot will the changes also "shown" (for example if a post was published in 2th of January and today the date was changed to 15th of January) will it move in the post order in the RSS feeds, too?

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It should since the RSS feed is based on the current instance of WP_Query. However by default WordPress has a longer interval for updating the RSS feed's cache. IIRC, it's about 12 hours. So if you make a change at 6am, the RSS feed won't reflect that until 6pm.

You can change this with the following code in your functions.php file or, even better, as a plugin.

function rss_update_feed() {
    return 60;  //Time in seconds
}
add_filter( 'wp_feed_cache_transient_lifetime', 'rss_update_feed' );

What this code does is sets the refresh time to 60 seconds. You will want to set it to something a bit more reasonable though. I only used 60 seconds as an example but you do not want to have your server keep doing unnecessary refreshes.

  • You're welcome. What interval did you end up using? – Cedon Jan 16 '18 at 22:40
  • I made it to 5 minutes – Feralheart Jan 22 '18 at 12:00

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