PHP class to publish in Facebook pages.

We need a PHP script for publishing posts in diferent Facebook Pages we manage. The script must be written in PHP and compatible with versions 5.3+ Must contain functions to: - Access to FB Pages with the necessary permisions - Check if an URL is published in a PAGE and return all the available data including title, text, image url, likes, shares, comments - PUBLISH articles from a given PHP array or retreived from an external RSS feed url ONLY backed functionality is required!