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,…
Learn where a PHP API key environment variable should live, how to read it safely, and every place it must never end up: git,…
permission_callback is required, and __return_true is a decision not a placeholder. Namespaces, argument validation, and what a public endpoint really means.
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 nonces protect against CSRF, not authentication or authorization. See how capability checks, sanitization, Ajax, and REST security fit together.
Validate input, sanitize before storage, and escape at output. Understand where each step belongs in WordPress and PHP and why the order matters for…