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Consuming an Atom Feed - Zend_Feed
Zend_Feed_Atom is used in much the same way as Zend_Feed_Rss. It provides the same access to feed-level properties and iteration over entries in the feed. The main difference is in the structure of the Atom protocol itself. Atom is a successor to RSS; it is more generalized protocol and it is designed to deal more easily with feeds that provide their full content inside the feed, splitting RSS' description tag into two elements, summary and content, for that purpose.
Example #1 Basic Use of an Atom Feed
Read an Atom feed and print the title and summary of each entry:
In an Atom feed you can expect to find the following feed properties:
title - The feed's title, same as RSS's channel title
id - Every feed and entry in Atom has a unique identifier
link - Feeds can have multiple links, which are distinguished by a type attribute
The equivalent to RSS's channel link would be type="text/html". if the link is to an alternate version of the same content that's in the feed, it would have a rel="alternate" attribute.
subtitle - The feed's description, equivalent to RSS' channel description
author->name() - The feed author's name
author->email() - The feed author's email address
Atom entries commonly have the following properties:
id - The entry's unique identifier
title - The entry's title, same as RSS item titles
link - A link to another format or an alternate view of this entry
summary - A summary of this entry's content
content - The full content of the entry; can be skipped if the feed just contains summaries
author - with name and email sub-tags like feeds have
published - the date the entry was published, in RFC 3339 format
updated - the date the entry was last updated, in RFC 3339 format
For more information on Atom and plenty of resources, see » http://www.atomenabled.org/.