Open Graph WP implementation

The Open Graph protocol enables any web page to become a rich object in a social graph. For instance, this is used on Facebook to enable any web page to have the same functionality as a Facebook Page.

While many different technologies and schemas exist and could be combined together, there isn’t a single technology which provides enough information to richly represent any web page within the social graph. The Open Graph protocol builds on these existing technologies and gives developers one thing to implement. Developer simplicity is a key goal of the Open Graph protocol which has informed many of the technical design decisions.

For Developers

Use add_action('open_graph_head_pre','your_function'); and add_action('open_graph_head_post','your_function'); to edit the meta data. For an instance of the class.

Always use open_graph_instance()
Read more on the Plugin URI > Open Graph WP implementation or check out the FAQs

1. Upload open-graph.php to the /wp-content/plugins/ directory
2. Activate the plugin through the ‘Plugins’ menu in WordPress
3. Set the default image for your domain (not available via admin panel in version 1.0, replace the image open_graph_protocol_logo.png for now)

How to override opengraph metadata?

You can add/edit meta data by using 2 actions ‘open_graph_head_pre’ and ‘open_graph_head_post’.
‘open_graph_head_pre’ executes before the setup takes place.
‘open_graph_head_post’ executes after the setup but before echoing meta data.
I’ll add more functions for editing in later versions.

How to override default image of the plugin?

• Use the add_action('open_graph_head_pre','my_function') .
• In my_function grab an instance $og = open_graph_instance(); and call $og->set_default_img( $url );
• Also you can use 'open_graph_head_post' action and $og->set_og_data( 'og:image' => $url ) but this will over ride for all pages/ posts etc

How to override default type of homepage?

• Use the add_action('open_graph_head_pre','my_function') .
• In my_function grab an instance $og = open_graph_instance(); and call $og->set_home_type( $type );
• Also you can use 'open_graph_head_post' action and if(is_home()) { $og->set_og_data( 'og:type' => $type );}