How To Read OPDS Catalog (ex : http://feedbooks.com/catalog.atom)
<p>I'm new in PHP. I want to read OPDS catalog (ex : <a href="http://feedbooks.com/catalog.atom" rel="nofollow">http://feedbooks.com/catalog.atom</a>) and then store the catalogs into json file. </p>

<p>Could someone suggest me how to do it, or point me to usefull article/source code to do it?</p>
