Using WordPress ‘fetch_feed()’ PHP function

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The fetch_feed() WordPress PHP function builds a SimplePie object based on an RSS or Atom feed from a provided URL.

Usage

To use the fetch_feed() function, you simply need to pass the URL of the RSS or Atom feed you want to retrieve. If you pass an array of URLs, the feeds are merged using SimplePie’s multifeed feature.

$rss = fetch_feed('http://example.com/rss/feed/goes/here');

Parameters

  • $url (string|array) – Required. The URL of the feed to retrieve. If an array of URLs is provided, the feeds are merged using SimplePie’s multifeed feature.

More Information

See WordPress Developer Resources: fetch_feed()

Examples

Display the Title of the Most Recent Post from a Feed

// Fetch the feed
$rss = fetch_feed('http://example.com/rss/feed/goes/here');

// Check for errors in the feed
if (!is_wp_error($rss)) {
  // Get the first item from the feed
  $item = $rss->get_item(0);

  // Display the title of the item
  echo $item->get_title();
}

This example fetches an RSS feed and displays the title of the most recent post.

Display the Titles of the Five Most Recent Posts from a Feed

// Fetch the feed
$rss = fetch_feed('http://example.com/rss/feed/goes/here');

// Check for errors in the feed
if (!is_wp_error($rss)) {
  // Get the five most recent items
  $items = $rss->get_items(0, 5);

  // Loop through each item and display the title
  foreach ($items as $item) {
    echo $item->get_title() . '<br>';
  }
}

This example fetches an RSS feed and displays the titles of the five most recent posts.

// Fetch the feed
$rss = fetch_feed('http://example.com/rss/feed/goes/here');

// Check for errors in the feed
if (!is_wp_error($rss)) {
  // Get the five most recent items
  $items = $rss->get_items(0, 5);

  // Start the list
  echo '<ul>';

  // Loop through each item and display a link
  foreach ($items as $item) {
    echo '<li><a href="' . $item->get_permalink() . '">' . $item->get_title() . '</a></li>';
  }

  // End the list
  echo '</ul>';
}

This example fetches an RSS feed and displays a list of links to the five most recent posts.

Fetch Multiple Feeds and Merge Them

// Fetch multiple feeds
$rss = fetch_feed(array('http://example.com/rss/feed/goes/here', 'http://anotherexample.com/rss/feed/goes/here'));

// Check for errors in the feed
if (!is_wp_error($rss)) {
  // Get the five most recent items from the merged feeds
  $items = $rss->get_items(0, 5);

  // Loop through each item and display the title
  foreach ($items as $item) {
    echo $item->get_title() . '<br>';
  }
}

This example fetches two RSS feeds, merges them together, and displays the titles of the five most recent posts