WordPress for Developers
API Key Environment Variable in PHP: Where It Goes
Learn where a PHP API key environment variable should live, how to read it safely, and every place it must never end up: git,…
Ebuhu articles
Blog
Practical programming and artificial intelligence guides for developers and coding learners.
WordPress for Developers
Call OpenAI API From PHP Without an SDK
Call the OpenAI API from PHP using cURL and JSON, with secure API key storage, WordPress plugin integration, response handling, and HTTP error checks.
WordPress for Developers
Exponential Backoff Jitter API Retries That Work
Exponential backoff jitter API retries stop retry storms when LLM calls fail together. See jitter formulas, PHP code and which errors are safe to…
AI Coding Assistants
Add an LLM to a Web Application You Have to Maintain
Your LLM call works in a test script. Production needs a server-side proxy, timeouts, retries that tell a rate limit from a spend cap,…
WordPress for Developers
WP-CLI Bulk Update Posts Safely, Without the Admin
Bulk update posts with WP-CLI: select IDs with wp post list, apply one change, and verify. Back up with wp db export first, and…
WordPress for Developers
WP_CLI add_command: Write a Custom WP-CLI Command
Register a custom WP-CLI command with WP_CLI::add_command, document its arguments in the docblock, and make it safe to run on production: dry run first.
WordPress for Developers
WordPress Child Theme functions.php That Survives Updates
A child theme's functions.php loads before the parent's, and copying the parent's file causes a fatal error. Build a child theme that survives updates.
WordPress for Developers
theme.json Block Theme Guide: Where add_theme_support Went
Where add_theme_support went in block themes: the theme.json v3 settings that replace it, the layers that override your file, and what stays in PHP.
WordPress for Developers
wp_enqueue_script Dependencies and What Breaks Without Them
A missing dependency makes WordPress drop your script tag with no warning. How $deps, handles, defer and versions really work, and how to debug…
VPS & Server Administration
CyberPanel 503 Errors: Troubleshooting OpenLiteSpeed, Apache, and PHP
Diagnose CyberPanel 503 errors across OpenLiteSpeed, Apache backend, PHP-FPM, and CLI PHP with a safe, step-by-step VPS troubleshooting workflow.
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…
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…