Tag: Plugin Development

Handle uploads securely with wp_handle_upload and filetype checks.

Use the built-in REST API to read/write WordPress data as JSON.

Register custom REST routes for your plugin’s data and actions.

Secure REST endpoints with cookies, nonces, application passwords, or tokens.

Handle asynchronous requests through admin-ajax.php the WordPress way.

Store keyed data on posts and users with the meta APIs.

Embed dynamic output in content with shortcode tags.

Register shortcodes with attributes and return HTML safely.

Create classic widgets extending WP_Widget for sidebars.

Extend the block editor with custom blocks for modern content UX.