A more useful wp-config file

wp-config-local.php

<?php
// ** MySQL settings
define('DB_NAME', 'database_name_here');
define('DB_USER', 'username_here');
define('DB_PASSWORD', 'password_here');
define('DB_HOST', 'localhost');

// ** DEV DEBUG settings
define('WP_DEBUG', true);
define('WP_DEBUG_DISPLAY', true);
define('SCRIPT_DEBUG', true);
define('CONCATENATE_SCRIPTS', false);

wp-config.php

<?php

if ( file_exists( dirname( __FILE__ ) . '/wp-config-local.php' ) ) {
	include( dirname( __FILE__ ) . '/wp-config-local.php' );
	define( 'WP_LOCAL_DEV', true );
} else {
	// ** MySQL settings
	define('DB_NAME', 'database_name_here');
	define('DB_USER', 'username_here');
	define('DB_PASSWORD', 'password_here');
	define('DB_HOST', 'localhost');

	// ** LIVE DEBUG settings
	define( 'WP_DEBUG', true );
	define( 'WP_DEBUG_LOG', true );
	define( 'WP_DEBUG_DISPLAY', false );
}

define('DB_CHARSET', 'utf8');
define('DB_COLLATE', '');

$table_prefix  = 'wp_';

// ** SALT https://api.wordpress.org/secret-key/1.1/salt/
define('AUTH_KEY',         'put your unique phrase here');
define('SECURE_AUTH_KEY',  'put your unique phrase here');
define('LOGGED_IN_KEY',    'put your unique phrase here');
define('NONCE_KEY',        'put your unique phrase here');
define('AUTH_SALT',        'put your unique phrase here');
define('SECURE_AUTH_SALT', 'put your unique phrase here');
define('LOGGED_IN_SALT',   'put your unique phrase here');
define('NONCE_SALT',       'put your unique phrase here');

// ** SITE LOCATION
// define('WP_HOME','http://example.com');
// define('WP_SITEURL','http://example.com');

// ** MISCELLANY
// define('EMPTY_TRASH_DAYS', 30);
// define('WP_POST_REVISIONS', 3);
// define('WP_MAX_MEMORY_LIMIT', '256M');
// define('IMAGE_EDIT_OVERWRITE', true);
// define( 'WP_CACHE', true );
// define( 'WP_ALLOW_REPAIR', true ); // Then visit /wp-admin/maint/repair.php

// ** WP-CONTENT REWRITE
// define('WP_CONTENT_FOLDERNAME', 'assets');
// define('WP_CONTENT_DIR', ABSPATH . WP_CONTENT_FOLDERNAME) ;
// define('WP_SITEURL', 'http://' . $_SERVER['HTTP_HOST'] . '/');
// define('WP_CONTENT_URL', WP_SITEURL . WP_CONTENT_FOLDERNAME);

// ** CONTACT FORM 7 settings
// define ('WPCF7_LOAD_JS', false); // Added to disable JS loading
// define ('WPCF7_LOAD_CSS', false); // Added to disable CSS loading
// define ('WPCF7_AUTOP', false); // Stops the Auto P tag formatting of the forms

if ( !defined('ABSPATH') )
	define('ABSPATH', dirname(__FILE__) . '/');

/** Sets up WordPress vars and included files. */
require_once(ABSPATH . 'wp-settings.php');