Git-safe WordPress config

wp-config-db-sample.php

<?php
/**
 * Make a copy of this file named wp-config-db.php
 * wp-config-db SHOULD NOT be version controled, add it to gitignore
 * Use this to store database access information so the main
 * wp-config.php file can be modified and version controlled. 
 */

/**
 * Debug block, set WP_DEBUG to false to disable this on the live site
 */

define('WP_DEBUG', true);
if (WP_DEBUG) {
    @ini_set('display_errors', true);
    @ini_set('error_reporting', E_ALL | E_STRICT);
    @ini_set('error_log', $_SERVER['DOCUMENT_ROOT'] . '/php_error.log');
    define('WP_DEBUG_LOG', true);
    define('WP_DEBUG_DISPLAY', false);
    define('SCRIPT_DEBUG', true);
}

/**
 * WordPress Database settings
 */
define( 'DB_NAME',     'database_name_here' );
define( 'DB_USER',     'db_username_here'   );
define( 'DB_PASSWORD', 'db_password_here'   );
define( 'DB_HOST',     'localhost'          );

wp-config.php

<?php
/**
 * The base configurations of the WordPress.
 *
 * This file has the following configurations: MySQL settings, Table Prefix,
 * Secret Keys, WordPress Language, and ABSPATH. You can find more information
 * by visiting {@link http://codex.wordpress.org/Editing_wp-config.php Editing
 * wp-config.php} Codex page. You can get the MySQL settings from your web host.
 *
 * This file is used by the wp-config.php creation script during the
 * installation. You don't have to use the web site, you can just copy this file
 * to "wp-config.php" and fill in the values.
 *
 * @package WordPress
 */


/**
  * Pull in local database definitions from wp-config-db.php
  */
if ( file_exists( dirname(__FILE__) . '/wp-config-db.php' ) )
    include( dirname(__FILE__) . '/wp-config-db.php' );

/**
 * Point to a wp-content directory outside of the WordPress core hierarchy
 */
define('WP_CONTENT_DIR', $_SERVER['DOCUMENT_ROOT'] . '/wp-content');
define('WP_CONTENT_URL', 'http://' . $_SERVER['SERVER_NAME'] . '/wp-content');

/**
 * Explicitly set WP_SITEURL so admin pages work correctly
 */
define('WP_SITEURL', 'http://' . $_SERVER['SERVER_NAME'] . '/wordpress');


// ** MySQL settings - You can get this info from your web host ** //
/** The name of the database for WordPress */
if (!defined('DB_NAME'))
    define('DB_NAME', 'database_name_here');

/** MySQL database username */
if (!defined('DB_USER'))
    define('DB_USER', 'username_here');

/** MySQL database password */
if (!defined('DB_PASSWORD'))
    define('DB_PASSWORD', 'password_here');

/** MySQL hostname */
if (!defined('DB_HOST'))
    define('DB_HOST', 'localhost');

// [...]

/**
 * For developers: WordPress debugging mode.
 *
 * Change this to true to enable the display of notices during development.
 * It is strongly recommended that plugin and theme developers use WP_DEBUG
 * in their development environments.
 */
// moved to wp-config-db.php for portability.
// define('WP_DEBUG', false);

Dumbed down the include call to use dirname(__FILE__) instead ofDIR` for compatibility with older versions of PHP. Also expanded the debug section.