Advanced Tutorials Archives - Krasen Slavov https://krasenslavov.com/category/advanced-tutorials/ WordPress Plugins, Themes and Writings Mon, 08 Dec 2025 07:31:34 +0000 en-US hourly 1 https://storage.googleapis.com/krasenslavov/2022/02/c96f34cb-cropped-krasenslavov-logo-v2-150x150.png Advanced Tutorials Archives - Krasen Slavov https://krasenslavov.com/category/advanced-tutorials/ 32 32 ACF Cleaner: Remove Orphaned Custom Field Data in WordPress https://krasenslavov.com/acf-cleaner-remove-orphaned-custom-field-data-in-wordpress/ https://krasenslavov.com/acf-cleaner-remove-orphaned-custom-field-data-in-wordpress/#respond Wed, 10 Dec 2025 03:53:57 +0000 https://krasenslavov.com/?p=5260 Managing Advanced Custom Fields in WordPress creates inevitable database clutter as fields get modified, deleted, or restructured over time. An ACF cleaner systematically identifies and removes orphaned meta data, unused field references, and deprecated custom field entries that accumulate in your WordPress database, improving performance…

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]]> https://krasenslavov.com/acf-cleaner-remove-orphaned-custom-field-data-in-wordpress/feed/ 0 Building a Modern API Server with Slim 4 and WordPress https://krasenslavov.com/building-a-modern-api-server-with-slim-4-and-wordpress/ https://krasenslavov.com/building-a-modern-api-server-with-slim-4-and-wordpress/#respond Tue, 02 Dec 2025 14:36:12 +0000 https://krasenslavov.com/?p=4935 In this comprehensive tutorial, I’ll show you how to build a modern, production-ready REST API server using Slim Framework 4 with WordPress authentication. We’ll leverage PHP 8.1+ features, implement modern security practices, and follow current best practices for API development in 2025. Why This Matters…

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]]> https://krasenslavov.com/building-a-modern-api-server-with-slim-4-and-wordpress/feed/ 0 Build an Automated Newsletter System with Google Sheets (No Third-Party Tools) https://krasenslavov.com/build-an-automated-newsletter-system-with-google-sheets-no-third-party-tools/ https://krasenslavov.com/build-an-automated-newsletter-system-with-google-sheets-no-third-party-tools/#respond Mon, 10 Nov 2025 08:31:02 +0000 https://krasenslavov.com/?p=4537 Managing a newsletter doesn’t have to involve expensive third-party services like Mailchimp or SendGrid. If you’re running a small to medium-sized mailing list (under 2,000 contacts), you can build a powerful automated newsletter system using just Google Sheets and Apps Script. In this tutorial, I’ll show you…

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]]> https://krasenslavov.com/build-an-automated-newsletter-system-with-google-sheets-no-third-party-tools/feed/ 0 How to Translate WordPress Plugins Using Claude AI & Python https://krasenslavov.com/translate-wordpress-plugins-claude-ai-python/ https://krasenslavov.com/translate-wordpress-plugins-claude-ai-python/#respond Fri, 31 Oct 2025 07:51:10 +0000 https://krasenslavov.com/?p=4514 Are you looking to translate WordPress plugins for international audiences? Manual translation can be time-consuming and error-prone. Fortunately, with modern AI tools like Claude and Python automation, you can streamline the entire translation workflow. In this comprehensive guide, you’ll learn how to translate WordPress plugins and themes…

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]]> https://krasenslavov.com/translate-wordpress-plugins-claude-ai-python/feed/ 0 Boost Your Git Productivity with 15 Essential Git Macros (Cross-Platform Installer) https://krasenslavov.com/boost-your-git-productivity-with-15-essential-git-macros-cross-platform-installer/ https://krasenslavov.com/boost-your-git-productivity-with-15-essential-git-macros-cross-platform-installer/#respond Mon, 27 Oct 2025 07:40:39 +0000 https://krasenslavov.com/?p=4412 Introduction If you use Git daily, you know how repetitive some commands can get. Typing git add ., git commit, and git push Doing dozens of times a day slows you down. That’s where our Git Macros Installer comes in — a simple, cross-platform automation…

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]]> https://krasenslavov.com/boost-your-git-productivity-with-15-essential-git-macros-cross-platform-installer/feed/ 0 How to Add a Resizable Sidebar to the WordPress Customizer (Persistent Width + Drag Resize) https://krasenslavov.com/wordpress-customizer-sidebar-resizer/ https://krasenslavov.com/wordpress-customizer-sidebar-resizer/#respond Thu, 23 Oct 2025 08:19:03 +0000 https://krasenslavov.com/?p=3740 By default, the WordPress Customizer sidebar has a fixed width, which can make previewing responsive designs or large screens cumbersome. If you’ve ever wanted to resize the Customizer sidebar — just like a draggable panel in a modern design app — you’re in luck. In…

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]]> https://krasenslavov.com/wordpress-customizer-sidebar-resizer/feed/ 0 How to Use the TinyMCE WYSIWYG Editor in WordPress Customizer (Step-by-Step) https://krasenslavov.com/wordpress-customizer-tinymce-editor/ https://krasenslavov.com/wordpress-customizer-tinymce-editor/#respond Fri, 17 Oct 2025 08:12:48 +0000 https://krasenslavov.com/?p=3735 The WordPress Customizer is a powerful tool for allowing users to preview theme changes in real time — but its default controls are fairly limited. If you’ve ever wanted to offer a rich-text editor inside the Customizer (with bold, links, lists, and colors), you can…

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]]> https://krasenslavov.com/wordpress-customizer-tinymce-editor/feed/ 0 How to Add Export and Import Functionality for WordPress Customizer Settings (Step-by-Step Guide) https://krasenslavov.com/wordpress-customizer-export-import/ https://krasenslavov.com/wordpress-customizer-export-import/#respond Tue, 14 Oct 2025 08:10:32 +0000 https://krasenslavov.com/?p=3733 If you’ve ever customized a WordPress theme only to lose your settings after switching environments or themes, you know how frustrating it can be. Fortunately, you can add export and import functionality to your WordPress Customizer — allowing you to easily backup, restore, or migrate…

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]]> https://krasenslavov.com/wordpress-customizer-export-import/feed/ 0 How to Add a Secure Account Deletion Feature to Your WooCommerce Store https://krasenslavov.com/how-to-add-a-secure-account-deletion-feature-to-your-woocommerce-store-complete-guide/ https://krasenslavov.com/how-to-add-a-secure-account-deletion-feature-to-your-woocommerce-store-complete-guide/#respond Tue, 11 Mar 2025 06:45:35 +0000 https://krasenslavov.com/?p=3207 Why Your WooCommerce Store Needs an Account Deletion Feature In today’s digital landscape, giving users control over their personal data isn’t just good practice—it’s increasingly becoming a legal requirement. With regulations like GDPR in Europe and CCPA in California, offering customers a straightforward way to…

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]]> https://krasenslavov.com/how-to-add-a-secure-account-deletion-feature-to-your-woocommerce-store-complete-guide/feed/ 0 How to Create a Dynamic Autocomplete Search Bar for Your Website https://krasenslavov.com/how-to-create-a-dynamic-autocomplete-search-bar-for-your-website/ https://krasenslavov.com/how-to-create-a-dynamic-autocomplete-search-bar-for-your-website/#respond Thu, 20 Feb 2025 14:35:10 +0000 https://krasenslavov.com/?p=2996 An interactive autocomplete search bar is a powerful feature that enhances user experience by providing real-time suggestions while users type. This blog post will guide you through creating a fully functional, reusable autocomplete search bar using JavaScript, CSS, and HTML. Why Add an Autocomplete Search…

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]]> https://krasenslavov.com/how-to-create-a-dynamic-autocomplete-search-bar-for-your-website/feed/ 0 How to Create a Dynamic History Timeline with JavaScript and CSS https://krasenslavov.com/how-to-create-a-dynamic-history-timeline-with-javascript-and-css/ https://krasenslavov.com/how-to-create-a-dynamic-history-timeline-with-javascript-and-css/#respond Tue, 18 Feb 2025 14:23:57 +0000 https://krasenslavov.com/?p=2993 Adding an interactive and visually engaging history timeline to your website can captivate your audience and effectively showcase your milestones. This blog post will walk you through creating a dynamic timeline component using JavaScript, CSS, and HTML. Why Use a History Timeline? A history timeline…

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]]> https://krasenslavov.com/how-to-create-a-dynamic-history-timeline-with-javascript-and-css/feed/ 0 How to Add a Dark and Light Mode Toggle in WordPress Menus https://krasenslavov.com/how-to-add-a-dark-and-light-mode-toggle-in-wordpress-menus/ https://krasenslavov.com/how-to-add-a-dark-and-light-mode-toggle-in-wordpress-menus/#respond Thu, 13 Feb 2025 14:14:27 +0000 https://krasenslavov.com/?p=2986 Adding a dark and light mode toggle in WordPress is a great way to enhance user experience. It lets users choose their preferred theme, providing flexibility and accessibility. In this tutorial, we’ll use a combination of PHP, CSS, and JavaScript to create a toggle button…

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]]> https://krasenslavov.com/how-to-add-a-dark-and-light-mode-toggle-in-wordpress-menus/feed/ 0 Using the WordPress REST API: Creating Modern Plugins for a Dynamic Web https://krasenslavov.com/using-the-wordpress-rest-api-creating-modern-plugins-for-a-dynamic-web/ https://krasenslavov.com/using-the-wordpress-rest-api-creating-modern-plugins-for-a-dynamic-web/#respond Tue, 03 Dec 2024 04:59:42 +0000 https://krasenslavov.com/?p=2311 In today’s fast-paced web development landscape, creating dynamic, interactive applications has become essential. The WordPress REST API empowers developers to build modern plugins that can seamlessly integrate with other applications, platforms, and services. In this blog post, we’ll explore what the WordPress REST API is,…

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]]> https://krasenslavov.com/using-the-wordpress-rest-api-creating-modern-plugins-for-a-dynamic-web/feed/ 0 Building Secure WordPress Plugins: Best Practices for Data Protection https://krasenslavov.com/building-secure-wordpress-plugins-best-practices-for-data-protection/ https://krasenslavov.com/building-secure-wordpress-plugins-best-practices-for-data-protection/#respond Thu, 28 Nov 2024 04:58:38 +0000 https://krasenslavov.com/?p=2309 In the rapidly evolving digital landscape, security is a paramount concern for WordPress developers. With millions of websites powered by WordPress, creating secure plugins is essential not only for protecting users’ data but also for maintaining the integrity of the WordPress ecosystem. In this blog…

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]]> https://krasenslavov.com/building-secure-wordpress-plugins-best-practices-for-data-protection/feed/ 0 Supercharging WordPress with Caching: Using wp_cache_get(), wp_cache_set(), and wp_cache_delete() https://krasenslavov.com/supercharging-wordpress-with-caching-using-wp_cache_get-wp_cache_set-and-wp_cache_delete/ https://krasenslavov.com/supercharging-wordpress-with-caching-using-wp_cache_get-wp_cache_set-and-wp_cache_delete/#respond Sat, 16 Nov 2024 08:03:27 +0000 https://krasenslavov.com/?p=2631 WordPress is renowned for its user-friendliness, but as your website grows in traffic and content, so do the demands on your server. Caching is one of the most powerful tools to optimize WordPress, making your site faster and more efficient by reducing database queries and…

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]]> https://krasenslavov.com/supercharging-wordpress-with-caching-using-wp_cache_get-wp_cache_set-and-wp_cache_delete/feed/ 0 Mastering WordPress Hooks: Unlocking the Power of Actions and Filters https://krasenslavov.com/mastering-wordpress-hooks-unlocking-the-power-of-actions-and-filters/ https://krasenslavov.com/mastering-wordpress-hooks-unlocking-the-power-of-actions-and-filters/#respond Thu, 24 Oct 2024 04:47:07 +0000 https://krasenslavov.com/?p=2289 When developing a WordPress site or plugin, understanding the concept of hooks is crucial. Hooks allow developers to extend and modify the core functionality of WordPress without altering its core files. This is done through two main types of hooks: actions and filters. In this…

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]]> https://krasenslavov.com/mastering-wordpress-hooks-unlocking-the-power-of-actions-and-filters/feed/ 0 Extend EDD Invoices in your Language https://krasenslavov.com/extend-edd-invoices-in-your-language/ https://krasenslavov.com/extend-edd-invoices-in-your-language/#respond Thu, 11 Apr 2024 05:45:15 +0000 https://krasenslavov.com/?p=1925 In this tutorial, we’ll explore how to extend the functionality of Easy Digital Downloads (EDD) Invoices specifically for admin users. A starter child theme including a working example can be downloaded from GitHub. We’ll integrate an API from APILayer to fetch exchange rates and display…

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]]> https://krasenslavov.com/extend-edd-invoices-in-your-language/feed/ 0 Re-building and Re-inserting Images into the WordPress Media Library from External Sources https://krasenslavov.com/re-building-and-re-inserting-images-into-the-wordpress-media-library-from-external-sources/ https://krasenslavov.com/re-building-and-re-inserting-images-into-the-wordpress-media-library-from-external-sources/#respond Wed, 17 Jan 2024 16:25:49 +0000 https://krasenslavov.com/?p=1447 Managing a WordPress website often involves handling various media files, especially images. Whether you’re migrating a site, recovering from a data loss, or simply organizing your media files, there might be occasions when you need to rebuild and reinsert images into the WordPress Media Library…

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]]> https://krasenslavov.com/re-building-and-re-inserting-images-into-the-wordpress-media-library-from-external-sources/feed/ 0 Setting Up and Compiling WordPress React JS for the Block Editor with Gulp and NPM https://krasenslavov.com/setting-up-and-compiling-wordpress-react-js-for-the-block-editor-with-gulp-and-npm/ https://krasenslavov.com/setting-up-and-compiling-wordpress-react-js-for-the-block-editor-with-gulp-and-npm/#comments Mon, 18 Dec 2023 23:46:10 +0000 https://krasenslavov.com/?p=1410 Integrating React JS into the WordPress block editor enhances the user experience by leveraging the power and flexibility of React. This blog post will guide you through setting up and completing a WordPress React JS environment for the Block Editor using Gulp and NPM. Prerequisites…

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]]> https://krasenslavov.com/setting-up-and-compiling-wordpress-react-js-for-the-block-editor-with-gulp-and-npm/feed/ 2 Implementing a Light/Dark Theme Toggle with GeneratePress https://krasenslavov.com/implementing-a-light-dark-theme-toggle-with-generatepress/ https://krasenslavov.com/implementing-a-light-dark-theme-toggle-with-generatepress/#respond Sun, 17 Dec 2023 16:40:42 +0000 https://krasenslavov.com/?p=1370 Introduction In this tutorial, we’ll walk through the steps to add a light/dark theme toggle to your website using the GeneratePress theme. This feature enhances user experience by allowing visitors to switch between themes according to their preferences. Prerequisites Step 1: Understanding the Code First,…

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]]> https://krasenslavov.com/implementing-a-light-dark-theme-toggle-with-generatepress/feed/ 0 Adapting Your Plugin Templates for Full-Site Editing (FSE) in WordPress 5.9 https://krasenslavov.com/adapting-your-plugin-templates-for-full-site-editing-fse-in-wordpress-5-9/ https://krasenslavov.com/adapting-your-plugin-templates-for-full-site-editing-fse-in-wordpress-5-9/#respond Wed, 16 Mar 2022 07:48:03 +0000 https://krasenslavov.com/?p=843 Learn how to make you WordPress plugins custom post type template compatible with Block Themes and FSE.

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]]> https://krasenslavov.com/adapting-your-plugin-templates-for-full-site-editing-fse-in-wordpress-5-9/feed/ 0 Best Practices for Maintaining Both SVN and Git for Your WordPress.org Plugin or Theme https://krasenslavov.com/keep-svn-and-git-version-control-for-wp-org-plugin-or-theme/ https://krasenslavov.com/keep-svn-and-git-version-control-for-wp-org-plugin-or-theme/#respond Sun, 06 Feb 2022 17:57:54 +0000 https://krasenslavov.com/?p=62 Developing a plugin or theme for WordPress often involves managing versions and updates efficiently. While WordPress.org uses Subversion (SVN) for its plugin and theme repository, many developers prefer Git for its flexibility and robust feature set. Balancing both SVN and Git can be a bit…

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