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- //Adding the Open Graph in the Language Attributes
- function add_opengraph_doctype( $output ) {
- return $output . ' xmlns:og="http://opengraphprotocol.org/schema/" xmlns:fb="http://www.facebook.com/2008/fbml"';
- }
- add_filter('language_attributes', 'add_opengraph_doctype');
- //Lets add Open Graph Meta Info
- function insert_fb_in_head() {
- global $post;
- if ( !is_singular()) //if it is not a post or a page
- return;
- echo '<meta property="fb:admins" content="YOUR USER ID"/>';
- echo '<meta property="og:title" content="' . get_the_title() . '"/>';
- echo '<meta property="og:type" content="article"/>';
- echo '<meta property="og:url" content="' . get_permalink() . '"/>';
- echo '<meta property="og:site_name" content="YOUR SITE NAME GOES HERE"/>';
- if(!has_post_thumbnail( $post->ID )) { //the post does not have featured image, use a default image
- $default_image="http://example.com/image.jpg"; //replace this with a default image on your server or an image in your media library
- echo '<meta property="og:image" content="' . $default_image . '"/>';
- }
- else{
- $thumbnail_src = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ), 'medium' );
- echo '<meta property="og:image" content="' . esc_attr( $thumbnail_src[0] ) . '"/>';
- }
- echo "
- ";
- }
- add_action( 'wp_head', 'insert_fb_in_head', 5 );
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