WordPress for Developers
Custom Post Types in Code, Not in a Plugin UI
Why a custom post type vanishes on a theme switch, which register_post_type arguments actually decide behavior, and the rewrite flush that has to happen…
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Category: WordPress for Developers
WordPress for Developers
How to Safely Delete Thousands of Trashed WordPress Posts with WP-CLI on a VPS
Safely delete thousands of trashed WordPress posts with WP-CLI using the correct PHP version, site user, Multisite targeting, batching, backups, and verification.
WordPress for Developers
Extending the REST Response Instead of Building an Endpoint
You need one more field on /wp/v2/posts. register_rest_field does it in a dozen lines, keeps pagination and permissions, and does not create a second…
WordPress for Developers
Custom REST Endpoints Without Leaving a Hole Open
permission_callback is required, and __return_true is a decision not a placeholder. Namespaces, argument validation, and what a public endpoint really means.
WordPress for Developers
$wpdb->prepare and the Queries That Get Sites Hacked
prepare is not a formatting helper. What it does, what it cannot do, why a table name can never be a placeholder, and how…
WordPress for Developers
Nonces Are Not Authentication: What They Actually Protect
WordPress nonces protect against CSRF, not authentication or authorization. See how capability checks, sanitization, Ajax, and REST security fit together.
WordPress for Developers
Sanitize, Escape, Validate: Which One, Where, and Why Order Matters
Validate input, sanitize before storage, and escape at output. Understand where each step belongs in WordPress and PHP and why the order matters for…
WordPress for Developers
Why Editing functions.php Keeps Destroying Your Site
One typo in functions.php takes down the front end and the admin together. How to get back in, why it happens, and the change…
WordPress for Developers
Your First Real Plugin: Headers, Structure and Not Using functions.php
Build your first real WordPress plugin with proper headers, structure, naming, activation hooks, and site-specific code that survives theme changes.
WordPress for Developers
The init Hook Is Too Late: Choosing the Right Hook for the Job
There are hundreds of hooks and you need one. Choose by what must already exist when your code runs, not by what the last…
WordPress for Developers
Hook Priority: Why Your Callback Fires Too Early
Priority decides order inside one hook, not across hooks. Why 999 is not a fix, what happens on a tie, and how to find…
WordPress for Developers
Actions and Filters: The Difference That Trips Everyone Up
A filter is asked for a value and an action is not. Why returning something from an action does nothing, why forgetting to return…
WordPress for Developers
How to Convert a WordPress Single Site to a Directory-Based Multisite
Learn how to convert a live WordPress single site into a directory-based Multisite using WP-CLI, with backups, rewrite rules, database checks, and testing.
WordPress for Developers
WordPress Execution Order: What Runs, and When
The request lifecycle from the front controller to wp_footer, which hook is available at each stage, and why the right code on the wrong…