//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 ''; echo ''; echo ''; echo ''; echo ''; if(!has_post_thumbnail( $post->ID )) { //the post does not have featured image, use a default image $default_image="https://cornbreadhustle.com/wp-content/uploads/2023/08/Apply-Now-Featured-Image-R.webp"; //replace this with a default image on your server or an image in your media library echo ''; } else{ $thumbnail_src = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ), 'medium' ); echo ''; } echo " "; } add_action( 'wp_head', 'insert_fb_in_head', 5 );