Line 44 – Return the generated HTML string.A Rich Site Summary or Really Simple Syndication ( RSS) feed allows end users to view and organize recently published content from their favorite websites and blogs. Lines 28-42 – Generate the proper HTML for each feed item based on our input arguments. Line 25 – If we fail to create any feed items, then return an empty string. Line 22 – Build an array of all the items we want to show from the RSS feed. If the items_per_page argument is undefined, we set it to include all of the RSS items in a single page. If the max_items argument is undefined, we set it to show all of the items in the feed. Lines 15-19 – Get the total number of items in the RSS feed. Line 12 – Fetches items from an RSS feed and stores it in a SimplePie object. shorten_description($item->get_description(),$desc_length). desc_before,desc_after – What HTML to add before and after each RSS item description.title_before,title_after – What HTML to add before and after each RSS item title.item_before,item_after – What HTML to add before and after each RSS item.
desc_length – The maximum length of each item description.desc – Whether to show the description of the RSS feed items.max_items -Maximum number of items to show from the RSS feed.
A delimiter will be added after every $items_per_page number of elements.
The function below accepts a feed URL and a list of arguments – Luckily, WordPress already has some built-in functions that allow us to do this. First off we want to extract items from our RSS feed and render them as HTML elements.
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