<?php if ( is_single() ) { ?> <?php if(!has_post_thumbnail( $post->ID )) { $image = get_template_directory_uri() . "/img/deiconult-preview.png"; } else { $image = get_the_post_thumbnail_url(); } ?> <meta property='og:url' content='<?php echo get_permalink(); ?>'/> <meta property='og:type' content='article'/> <meta property='og:title' content='<?php wp_title(''); ?>'/> <meta property='og:site_name' content='<?php bloginfo('name'); ?>'/> <meta property='og:image' content='<?php echo $image ?>'/> <meta property='og:description' content='<?php the_excerpt(); ?>'/> <?php } else { ?> <meta property='og:url' content='<?php echo get_site_url(); ?>'/> <meta property='og:type' content='siteweb'/> <meta property='og:title' content='<?php bloginfo('name'); ?>'/> <meta property='og:site_name' content='<?php bloginfo('name'); ?>'/> <meta property='og:image' content='<?php echo get_template_directory_uri() . "/img/deiconult-preview.png"; ?>'/> <meta property='og:description' content='<?php bloginfo('description'); ?>'/> <?php } ?>