getenv('DB_HOST') ?: 'localhost', 'db_user' => getenv('DB_USER') ?: 'default_user', 'db_pass' => getenv('DB_PASS') ?: '', ]; Use code with caution. Hardening Files via Server Directive Rules
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contains unique "salts" and "keys" that encrypt your cookies and passwords. WordPress Developer Resources 4. Advanced Debugging & Performance config.php often contains "toggles" for developer mode: Editing wp-config.php – Advanced Administration Handbook 28 Mar 2023 —
Even if a hacker gains access to your server file system, you can protect config.php by setting strict Unix file permissions. The file should be read-only. The recommended permission for wp-config.php is 440 or 400 . This means the file owner has read permission, and the web server cannot write to it, preventing unauthorized viewing or editing.