Programming
Cache Data With the WordPress Transients API
The Transients API is WordPress's built-in cache for expensive results — a slow query, a remote call, a heavy calculation. Store a value with…
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Tag: PHP
Programming
Handle AJAX Requests in WordPress
Handling AJAX requests lets the browser talk to your server without reloading the page. Route requests through admin-ajax.php, verify them with a nonce, and…
Programming
Add a Custom Endpoint to the WordPress REST API
A custom REST API endpoint serves your site's own JSON at a URL you choose. Use register_rest_route() to publish a public route that returns…
Programming
Create a WordPress Widget
A WordPress widget is a self-contained block for a sidebar or footer. Extend the WP_Widget class to build a configurable Recent Posts widget, register…
Programming
Create a Custom Page Template in WordPress
A custom page template lets one page break out of your theme's default layout — full-width, no sidebar, a design of its own. Add…
Programming
Force a File Download in PHP
Send the Content-Disposition and Content-Type headers that make a browser save a file instead of opening it, then stream the bytes with readfile() —…