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Bernard Aybouts - Blog - Miltonmarketing.com

Approx. read time: 2.1 min.

Post: Show Popular Posts Without Plugins – Based on comment count.

Adding Custom Functions to Your WordPress Theme’s `functions.php`

To enhance the functionality of your WordPress site, you can add custom functions like get_popular_posts_by_comment_count to your theme’s functions.php file. This file acts as the backbone of your WordPress theme, enabling you to introduce new features or alter existing behaviors.

Here’s how to safely add a custom function to your theme:

Step 1: Access Your Theme Files

Access your WordPress theme files through one of the following methods:

Via WordPress Admin Panel: Navigate to Appearance > Theme Editor from your WordPress dashboard. Here, you can directly edit the functions.php file of your active theme.
Via FTP or File Manager: Use an FTP client (like FileZilla) or your hosting provider’s file manager. Access the WordPress installation directory at /wp-content/themes/your-theme/, replacing your-theme with the name of your active theme.

Step 2: Edit `functions.php`

Locate and open the functions.php file:

In WordPress Admin Panel: Select the functions.php file from the list in the Theme Editor.
Using FTP or File Manager: Download the functions.php file and open it with a text editor that supports syntax highlighting, such as Notepad++ or Visual Studio Code.

Step 3: Add the Code (copy and paste from above.)

Scroll to the end of the functions.php file to avoid interfering with existing functions.
Paste the custom function code at the end of the file. Ensure you do not overwrite any existing code.
Add Comments: Document your changes with comments to explain the function’s purpose, making it easier for future modifications or troubleshooting.

Note: Direct modifications to the theme files can be risky. To prevent issues during theme updates or to avoid breaking your site, consider using a child theme for such customizations.

Copy to Clipboard

/**
 * Fetches posts sorted by the number of comments.
 *
 * This function is intended for use within WordPress templates to display a list
 * of popular posts based on comment count. The list is output directly.
 *
 * @param int $num The number of posts to retrieve. Defaults to 5.
 * @return void Outputs the list of popular posts by comment count.
 */
function get_popular_posts_by_comment_count($num = 5) {
    $args = array(
        'posts_per_page'      => $num,
        'orderby'             => 'comment_count',
        'order'               => 'DESC',
        'ignore_sticky_posts' => 1,
    );

$query = new WP_Query($args);

if (!$query->have_posts()) {
        echo '<p>' . esc_html__('No posts found.', 'your-text-domain') . '</p>';
        return;
    }

echo '<ul>';
    while ($query->have_posts()) : 
        $query->the_post();
        echo '<li>' . esc_html(get_the_title()) . ' - ' . esc_html(get_comments_number()) . ' ' . esc_html__('Comments', 'your-text-domain') . '</li>';
    endwhile;
    echo '</ul>';

// Reset post data after custom query.
    wp_reset_postdata();
}

How to Display Most Commented Posts in WordPress (Step by Step)

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The Longevity Blueprint: AI-Powered Health Optimization

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La connaissance guérit, la prévention protège

> SYS.AUTH: Data Processing Consent_[ AWAITING_AUTHORIZATION ] By providing consent, you allow us to process your uploaded data through our proprietary AI-Human analysis system.
[+] SECURE_REVIEW: This ensures your information is carefully reviewed using advanced AI technology and certified professional oversight to deliver personalized health insights.
[+] PRIVACY_LOCK: Your privacy is our strict priority. Your data will only be used for this specific diagnostic purpose.

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About the Author: Bernard Aybout (Virii8)

I am a dedicated technology enthusiast with over 45 years of life experience, passionate about computers, AI, emerging technologies, and their real-world impact. As the founder of my personal blog, MiltonMarketing.com, I explore how AI, health tech, engineering, finance, and other advanced fields leverage innovation—not as a replacement for human expertise, but as a tool to enhance it. My focus is on bridging the gap between cutting-edge technology and practical applications, ensuring ethical, responsible, and transformative use across industries. MiltonMarketing.com is more than just a tech blog—it's a growing platform for expert insights. We welcome qualified writers and industry professionals from IT, AI, healthcare, engineering, HVAC, automotive, finance, and beyond to contribute their knowledge. If you have expertise to share in how AI and technology shape industries while complementing human skills, join us in driving meaningful conversations about the future of innovation. 🚀

Show Popular Posts Without Plugins – Based on comment count.

About Us

📞 Contact Us

🔒 Our Privacy Policy – Legal Disclaimer – Site Content Policy

📅 Book a meeting.

Our Products & Services

💼 Products & Services

💻 Help Desk Support

Virii8Social

Genesis One Live TV

🧮 Multiverse Calculator

✒️ Virii8 SignFlow – DocuSign

⚖️ JBD After Hour Notary

📌 Note OS

🚗 Autonomous Car Algorithm

Adding Custom Functions to Your WordPress Theme’s `functions.php`

Step 1: Access Your Theme Files

Step 2: Edit `functions.php`

Step 3: Add the Code (copy and paste from above.)

How to Display Most Commented Posts in WordPress (Step by Step)

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The Longevity Blueprint: AI-Powered Health Optimization

> SYS.HEALTH: AI-Human Medical Analyzer_

// Revolutionize Your Diagnostics

> UNLOCK YOUR HEALTHIEST SELF_

> SYS.AUTH: Data Processing Consent_

> SYS.UPLOAD: Share Medical Records [OPTIONAL]_

Learn more about our AI-Human Medical Analyzer...

About the Author: Bernard Aybout (Virii8)

We speak your language:

Privacy Policy – Legal Disclaimer – Site Content Policy

Tracking Cookies

Third Party Embeds

About Us

Our Products & Services

Adding Custom Functions to Your WordPress Theme’s functions.php

Step 1: Access Your Theme Files

Step 2: Edit functions.php

Step 3: Add the Code (copy and paste from above.)

How to Display Most Commented Posts in WordPress (Step by Step)

Related Videos:

Related Posts:

Related Posts

The Longevity Blueprint: AI-Powered Health Optimization

> SYS.HEALTH: AI-Human Medical Analyzer_

// Revolutionize Your Diagnostics

> UNLOCK YOUR HEALTHIEST SELF_

> SYS.AUTH: Data Processing Consent_

> SYS.UPLOAD: Share Medical Records [OPTIONAL]_

About the Author: Bernard Aybout (Virii8)

We speak your language:

Tracking Cookies

Third Party Embeds

Adding Custom Functions to Your WordPress Theme’s `functions.php`

Step 2: Edit `functions.php`