These are the most fundamental settings. They look like this:
Beyond the standard setup, you can add custom PHP constants to your wp-config.php file to unlock advanced functionality, optimize performance, and lock down your site. Debugging and Troubleshooting
Here's an example of a default wp-config.php file:
define( 'WP_DEBUG', true ); define( 'WP_DEBUG_LOG', true ); define( 'WP_DEBUG_DISPLAY', false ); Use code with caution. wp config.php
Directly below the database settings, you will find the WordPress Authentication Unique Keys and Salts. These keys encrypt data stored in user cookies, making it significantly harder for hackers to hijack active user sessions.
| Command | Description | |---------|-------------| | wp config create | Generates a new wp-config.php file | | wp config get <constant> | Retrieves the value of a constant | | wp config set <constant> <value> | Sets or updates a constant | | wp config delete <constant> | Removes a constant from the file | | wp config list | Lists all constants and variables defined in the file | | wp config has <constant> | Checks whether a constant exists | | wp config edit | Opens the file in your system’s default editor | | wp config path | Displays the full file path | | wp config shuffle-salts | Regenerates all security keys and salts |
/**#@+ * Authentication Unique Keys and Salts * * Change these to different unique phrases! * You can generate these using the @link https://api.wordpress.org/secret-key/1.1/salt/ WordPress.org secret-key service */ define( 'AUTH_KEY', 'your-auth-key' ); define( 'SECURE_AUTH_KEY', 'your-secure-auth-key' ); define( 'LOGGED_IN_KEY', 'your-logged-in-key' ); define( 'AUTH_SALT', 'your-auth-salt' ); define( 'SECURE_AUTH_SALT', 'your-secure-auth-salt' ); define( 'LOGGED_IN_SALT', 'your-logged-in-salt' ); define( 'HASH_SALT', 'your-hash-salt' ); These are the most fundamental settings
You can edit wp-config.php using a plain text editor (like Notepad++, VS Code, or even the file manager in your hosting control panel). (Microsoft Word, Google Docs) because they add invisible formatting that will break the file.
Depending on your hosting setup, the root directory may be named something like public_html , www , html , or your domain name.
—the site suddenly had a "soul". It could finally talk to its MySQL database, pulling in the themes, posts, and settings that made it a living entity. The Guard at the Gate: Security Keys and Salts The Digital Quill grew, it became a target. The wp-config.php file took on the role of a sentinel. The developer added Authentication Unique Keys and Salts Directly below the database settings, you will find
The default prefix is wp_ . Automated SQL injection scripts often target this default prefix. Changing it to something unique (e.g., wp_site1_ or x9z_ ) adds a layer of "security through obscurity," making mass-target attacks slightly more difficult.
She opened a box and produced a small USB drive, the kind you buy in a gas station, stamped with a faded brewery logo. It fit the story like an exclamation point. "We found this in a tarball. Someone added a note: 'For the curious.'"
The file is located in the root directory of your WordPress installation (usually public_html or www ). It executes before the rest of the WordPress core loads, making it the ideal place to define global constants and system rules. Core Database Configuration
/** The Database Collate type */ define('DB_COLLATE', '');