Integrate Disqus Comment System into Your WordPress Site

Code

// Function to integrate Disqus comment system into WordPress
function wp_dudecom_add_disqus_comments() {
    // Check if we are on a single post or page
    if (is_single() || is_page()) {
        // Replace the default WordPress comments template with Disqus
        remove_filter('comments_template', 'wp_comments_template');
        add_filter('comments_template', 'wp_dudecom_disqus_comments_template');
    }
}

// Custom function to load Disqus comments template
function wp_dudecom_disqus_comments_template($comment_template) {
    // Ensure Disqus shortname is set
    $disqus_shortname = 'your-disqus-shortname'; // Replace with your Disqus shortname

    // Output Disqus embed code
    echo '<div id="disqus_thread"></div>';
    echo '<script>';
    echo 'var disqus_config = function () {';
    echo 'this.page.url = "' . get_permalink() . '";'; // Set the page URL
    echo 'this.page.identifier = "' . get_the_ID() . '";'; // Set the page identifier
    echo '};';
    echo '(function() {'; // Load the Disqus embed script
    echo 'var d = document, s = d.createElement("script");';
    echo 's.src = "https://' . $disqus_shortname . '.disqus.com/embed.js";';
    echo 's.setAttribute("data-timestamp", +new Date());';
    echo '(d.head || d.body).appendChild(s);';
    echo '})();';
    echo '</script>';
    echo '<noscript>Please enable JavaScript to view the comments powered by Disqus.</noscript>';

    // Return an empty string to prevent loading the default comments template
    return '';
}

// Hook the function to the appropriate WordPress action
add_action('wp', 'wp_dudecom_add_disqus_comments');

// Ensure Disqus comments count script is loaded in the footer
function wp_dudecom_disqus_comments_count_script() {
    $disqus_shortname = 'your-disqus-shortname'; // Replace with your Disqus shortname
    echo '<script id="dsq-count-scr" src="https://' . $disqus_shortname . '.disqus.com/count.js" async></script>';
}

// Hook the comments count script to wp_footer
add_action('wp_footer', 'wp_dudecom_disqus_comments_count_script');