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API service for downloading a list of new blog posts.

v2.1.1 2021-07-07 08:33 UTC


API service for downloading a list of new blog posts.

The library downloads the feed of posts from Wordpress and provides a simple API for reading them.

Posts from the feed are automatically cached for a set period of time, so they don't have to be downloaded again in each request.

📦 Installation

It's best to use Composer for installation, and you can also find the package on Packagist and GitHub.

To install, simply use the command:

$ composer require baraja-core/wordpress-post-feed

You can use the package manually by creating an instance of the internal classes, or register a DIC extension to link the services directly to the Nette Framework.


If you are installing the package into the Nette Framework, you can simply register the extension:

    wordpressPostFeed: Baraja\WordPressPostFeed\WordpressPostFeedExtension

However, the extension is not required, as you can create an instance manually:

$feed = new \Baraja\WordPressPostFeed\Feed;

By default, no dependencies are required. Feed will take care of all dependencies by itself.

How to use

Basic usage is simple:

$feed = new \Baraja\WordPressPostFeed\Feed;

$posts = $feed->load('');

foreach ($posts as $post) {
    echo $post->getTitle();
    echo $post->getDescription();
    echo $post->getLink();
    echo $post->getDate()->format('Y-m-d');
    echo $post->getCreator();
    echo json_encode($post->getCategories());
    echo $post->getMainImageUrl();

The feed will be downloaded automatically, then cached and further requests will be handled instantly straight from the cache.

If you only need to retrieve some posts from the feed, you can use the limit and offset arguments:

$posts = $feed->load(
    url: '',
    limit: 3,
    offset: 1,

Posts are automatically cached for the set period (default 2 hours). If the period expires, the cache is automatically invalidated and the next request will have to retrieve the data and rebuild the cache. This retrieval may slow down this request. If you want to handle all requests instantly, the cache for the feed needs to be automatically refreshed by cron.

Cron will call the following method to refresh the cache:

$feed = new \Baraja\WordPressPostFeed\Feed;

Image manipulation

When downloading posts from the feed, images are also automatically downloaded and copied to disk. The image storage is provided by the \Baraja\WordPressPostFeed\ImageStorage service, which is automatically registered by the library. The default directory for storing images is wordpress-post-feed relative to your index.php.

The service provides the following methods:

Method Description
save(string $url): void Downloads the image from the URL and saves it to disk
getInternalPath(string $url): string Returns the absolute path for the internal data store.
getAbsoluteInternalUrl(string $url): string Returns the absolute URL to retrieve the image
getRelativeInternalUrl(string $url): string Returns the relative URL to retrieve the image

Working with images is also available directly from the Post entity via methods:

  • getAbsoluteInternalUrl()
  • getRelativeInternalUrl()
  • getMainImageUrl()

📄 License

baraja-core/wordpress-post-feed is licensed under the MIT license. See the LICENSE file for more details.