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    <p>I stumbled across your question looking for something else about simplepie. But I do work with an identifier while using simplepie. So this seems to be the answer to your question:</p> <p>My getFeedPosts-function in PHP looks like this:</p> <pre><code>public function getFeedPosts($numberPosts = null) { $feed = new SimplePie(); // default options $feed-&gt;set_feed_url('http://yourname.blogspot.com'); // Set the feed $feed-&gt;enable_cache(true); /* Enable caching */ $feed-&gt;set_cache_duration(1800); /* seconds to cache the feed */ $feed-&gt;init(); // Run SimplePie. $feed-&gt;handle_content_type(); $allFeeds = array(); $number = $numberPosts&gt;0 ? $numberPosts : 0; foreach ($feed-&gt;get_items(0, $number) as $item) { $singleFeed = array( 'author'=&gt;$item-&gt;get_author(), 'categories'=&gt;$item-&gt;get_categories(), 'copyright'=&gt;$item-&gt;get_copyright(), 'content'=&gt;$item-&gt;get_content(), 'date'=&gt;$item-&gt;get_date("d.m.Y H:i"), 'description'=&gt;$item-&gt;get_description(), 'id'=&gt;$item-&gt;get_id(), 'latitude'=&gt;$item-&gt;get_latitude(), 'longitude'=&gt;$item-&gt;get_longitude(), 'permalink'=&gt;$item-&gt;get_permalink(), 'title'=&gt;$item-&gt;get_title() ); array_push($allFeeds, $singleFeed); } $feed = null; return json_encode($allFeeds); } </code></pre> <p>As you can see, I build a associative array and return it as JSON what makes it really easy using jQuery and ajax (in my case) on the client side.</p> <p>The 'id' is a unique identifier of every post in my blog. So this is the key to identify the same post also in another function/on another page. You just have to iterate the posts and compare this id. As far as I can see, there is no get_item($ID)-function. There is an get_item($key)-function but it is also just taking out a specific post from the list of all posts by the array-position (which is nearly the same way I suggest).</p>
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    1. POHow can I get an id from a simplepie post which can be used to look it up later?
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    1. USMojitoJoe
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    1. POHow can I get an id from a simplepie post which can be used to look it up later?
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    1. COHeh, I'd thrown together a rather ugly hack for the mean time, but this seems to be a much better solution. Pity there's not a function to get them by ID though. Thanks!
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      1. USTimothy S.
 

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