Introduction This tutorial explains, in detail, how to implement a secure REST endpoint in WordPress/WooCommerce that allows an external system to synchronize stock levels. It covers security, payload formats, single and bulk updates, handling variations, concurrency concerns, testing, logging, and a full plugin-ready code example you can drop into a production site (use HTTPS). Every […]
Overview This article is a complete, detailed tutorial on how to add products to the WooCommerce cart using AJAX and plain JavaScript. It covers multiple methods (native WooCommerce AJAX endpoints and a custom admin-ajax.php handler), how to enqueue and localize scripts, how to handle simple and variable products, how to update cart fragments / mini-cart […]
Overview This article is a comprehensive, practical tutorial that explains how to customize WooCommerce checkout fields using hooks. It covers the most common tasks: adding new fields, removing or modifying existing fields, changing order and priorities, validating input, saving values to orders and user meta, showing fields in admin and emails, and conditional/JavaScript-driven behaviors. Every […]
Introduction This article explains, in depth, how to create custom endpoints for WooCommerce in PHP. It covers two common cases: Frontend My Account endpoints — add new pages inside the WooCommerce My Account area (URL: /my-account/your-endpoint/), output content and optionally accept parameters. REST API endpoints — add or extend endpoints in the WordPress REST API […]
Why use a honeypot for WordPress comment spam? Spam bots typically fill every input they find in an HTML form. A honeypot is a form field that humans never fill because it is hidden or made inaccessible in the page UI, but bots that parse and populate inputs will write to it. On the server […]
Introduction This tutorial shows, in full detail, how to add a custom CAPTCHA to the WordPress login form using PHP and JavaScript. The solution below is implemented as a small plugin (single-file) that creates an image CAPTCHA (uses GD if available), stores correct answers securely server-side using transients, provides an AJAX refresh button, validates on […]
Introduction Rate limiting protects WordPress REST endpoints from abuse, brute-force, accidental floods, and resource exhaustion. Applying rate limits to REST routes helps preserve CPU, memory, and third-party API quotas, and improves overall site reliability. This article covers concepts, algorithms, WordPress-specific hooks, storage options, headers, testing, and multiple production-ready PHP examples (fixed window, atomic cache-based, token-bucket). […]
Overview This article is a complete, detailed tutorial for authenticating WordPress REST API requests with JWT (JSON Web Token) and configuring CORS so browser clients can call the API from other origins. It covers installing and configuring a popular JWT plugin, server and WordPress configuration changes required for Authorization headers and preflight requests, client examples […]
Introduction This tutorial explains, in exhaustive detail, how to consume WordPress data from a Next.js frontend using the WordPress REST API. It covers public read-only consumption, authenticated requests (Application Passwords and JWT), server-side rendering (SSR), static site generation (SSG), incremental static regeneration (ISR), client-side fetching with SWR/React Query, handling images with Next Image, rendering post […]
Overview This tutorial shows how to set up a headless frontend with the WordPress REST API. It covers the full workflow: preparing WordPress, enabling and customizing the REST API, authentication options, exposing custom fields and media, building a frontend that reads and writes content, handling CORS and security, optimizing performance, and deployment considerations. Included are […]
