Add Twitter Cards Support to WordPress for Enhanced Sharing

Code

<?php
// Hook into 'wp_head' to add Twitter Card meta tags
add_action('wp_head', 'wp_dudecom_add_twitter_cards_meta_tags');

/**
 * Add Twitter Card meta tags to the head section of the page.
 */
function wp_dudecom_add_twitter_cards_meta_tags() {
    if (is_single() || is_page()) {
        global $post;
        
        // Ensure the post object is available
        if (!isset($post)) {
            return;
        }

        // Get the post title
        $title = get_the_title($post->ID);
        
        // Get the post excerpt or content
        $description = has_excerpt($post->ID) ? get_the_excerpt($post->ID) : wp_trim_words($post->post_content, 30);
        
        // Get the post thumbnail URL
        $thumbnail = has_post_thumbnail($post->ID) ? get_the_post_thumbnail_url($post->ID, 'full') : '';

        // Get the site name
        $site_name = get_bloginfo('name');

        // Output the Twitter Card meta tags
        echo '<meta name="twitter:card" content="summary_large_image" />';
        echo '<meta name="twitter:title" content="' . esc_attr($title) . '" />';
        echo '<meta name="twitter:description" content="' . esc_attr($description) . '" />';
        echo '<meta name="twitter:image" content="' . esc_url($thumbnail) . '" />';
        echo '<meta name="twitter:site" content="@your_twitter_handle" />'; // Replace with your Twitter handle
        echo '<meta name="twitter:creator" content="@your_twitter_handle" />'; // Replace with your Twitter handle
    }
}
?>