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add_action('wp_head', 'fc_opengraph');
function fc_opengraph() {
if( is_single() || is_page() ) {
$post_id = get_queried_object_id();
$url = get_permalink($post_id);
$title = get_the_title($post_id);
$site_name = get_bloginfo('name');
$description = wp_trim_words( get_post_field('post_content', $post_id), 25 );
$image = get_the_post_thumbnail_url($post_id);
if( !empty( get_post_meta($post_id, 'og_image', true) ) ) $image = get_post_meta($post_id, 'og_image', true);
$locale = get_locale();
echo '<meta property="og:locale" content="' . esc_attr($locale) . '" />';
echo '<meta property="og:type" content="article" />';
echo '<meta property="og:title" content="' . esc_attr($title) . ' | ' . esc_attr($site_name) . '" />';
echo '<meta property="og:description" content="' . esc_attr($description) . '" />';
echo '<meta property="og:url" content="' . esc_url($url) . '" />';
echo '<meta property="og:site_name" content="' . esc_attr($site_name) . '" />';
if($image) echo '<meta property="og:image" content="' . esc_url($image) . '" />';
// Twitter Card
echo '<meta name="twitter:card" content="summary_large_image" />';
echo '<meta name="twitter:site" content="@francecarlucci" />';
echo '<meta name="twitter:creator" content="@francecarlucci" />';
}
}
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