Facebook (WordPress Plugin)

Developed by the Facebook team itself, the plugin integrates the vast array of Facebook social features inside the WP platform.

The Facebook WordPress plugin is quite easy to setup, coming packed with a special page in the WP backend, lots of sidebar widgets, and shortcodes as well.

Just drop in your Facebook API credentials and setup how and where you want Facebook buttons to show up, along with other more complex cross-posting features.

Installation:

Unpack and upload it to the /wp-content/plugins/ directory.
Activate the plugin through the 'Plugins' menu in WordPress.

Features:

• Admin interface panel for configuring the plugin
• Lots of sidebar widget
• Lots of shortcodes
• Facebook Comments system
• Support for the Open Graph protocol
• Recommendations bar & box
• Support for all the official Facebook buttons (Send, Follow, Like)
• Facebook Timeline integration
• Facebook Insights support
• Embed Facebook posts
• Facebook cross-posting

What is new in this release:

• Update Facebook SDK for PHP app secret proof and signed request handling
• Add empty directory index files to prevent autoindex files and exposed server directories
• Replace deprecated $wpdb->escape() with esc_sql()

What is new in version 1.5.4:

• Facebook Like Button supports the new Share button
• Add Facebook Embedded Post custom width support through shortcode
• Removed channelUrl Facebook JavaScript SDK initialization parameter

What is new in version 1.5.3:

• Facebook application data for Facebook Login displayed in the settings debug screen.
• Improve social publisher compatibility with scheduled posts.
• (beta) Convert Instagram embeds to og:images. Convert YouTube and Vimeo embeds to Open Graph media objects for video post formats.
• Improved code documentation.

What is new in version 1.5:

• Improved Open Graph protocol markup for image, video, and audio post formats
• Improved auto-discovery of post images for use as Open Graph protocol images
• Custom dashicon font adds resolution-independent graphics to your administrative interface
• Updated Facebook SDK for JavaScript asynchronous loading snippet
• Added enhanced privacy mode for Facebook SDK for JavaScript for sites targeting children in the United States under the age of 13

What is new in version 1.4:

• The get_comments_number function response now includes the number of comments for a post stored on Facebook servers
• Update Facebook PHP SDK. Includes support for app secret proofs.
• Fix typo preventing custom classes on social plugins
• New Facebook icons matching April 2013 Facebook favicon redesign
• Added support for shortcode filters (WordPress 3.6+)

What is new in version 1.3.1:

• Improve Facebook PHP SDK performance through WordPress-managed sessions.
• Faster image display for mention tagging autocomplete.

What is new in version 1.3:

• Comments Box moved to comments_template, overriding your theme's default comments template. Existing WordPress comments are displayed above the Comments Box.
• Added ability to disable fetching Facebook comments from Facebook servers for inclusion on the page inside a noscript element for improved SEO. See the facebook_comments_wrapper filter for more details.
• Set a custom sort order for Comments Box comments: social, chronological, or reverse chronological.
• Do not fetch Facebook user status or set a site cookie for default Facebook JavaScript SDK loads on the site frontend.

What is new in version 1.2.7:

• Tweaked some code.

What is new in version 1.2.3:

• Post to Facebook Page using Facebook application access token.
• Do not display social publisher meta boxes or publish flow if post type not explicitly public.

Requirements:

• WordPress 3.3 or higher
• Facebook API credentials