wp-config sample for easy access of the site from localhost as well as 192.168...

wp-config-sample.php

<?php
//production by default
$ENV_KEY = 'prod';
$localDir = '';
//host vars
if ( defined('WP_CLI') ) {
  $_SERVER['HTTP_HOST'] = 'localhost';
}

$hostName = $_SERVER['HTTP_HOST'];
$hostURL = 'http://'.$hostName;

//hosts that represent local environment
$local_matches = array('localhost', '192.168.');

//check if current host matches any localhost
function isLocal(){
	global $hostName, $local_matches;
  foreach($local_matches as $k => $v){
    if(stristr( $hostName, $v )){ return true;}
  }
  return false;
}

if ( isLocal() ) {
	$ENV_KEY = 'local';
  $localDir = str_replace('wp-admin', '', dirname( __FILE__ ));
}

$env = array(
	'local'    =>  array(
		'ENV_LOCAL'    =>  TRUE,
		'DB_NAME'      =>  'database_table',
    'DB_USER'      =>  'database_user',
    'DB_PASSWORD'  =>  'database_password',
    'DB_HOST'      =>  'localhost',
    'WP_SITEURL'   =>  $hostURL . $localDir,
    'WP_HOME'      =>  $hostURL . $localDir,
    'WP_CACHE'     =>  FALSE,
    'SCRIPT_DEBUG' =>  TRUE,
    'WP_DEBUG'     =>  TRUE
  ),
	'prod'    =>  array(
		'DB_NAME'      =>  'database_table',
    'DB_USER'      =>  'database_user',
    'DB_PASSWORD'  =>  'database_password',
    'DB_HOST'      =>  'localhost',
    'WP_SITEURL'   =>  $hostURL . $localDir,
    'WP_HOME'      =>  $hostURL . $localDir,
    'WP_CACHE'     =>  TRUE,
    'SCRIPT_DEBUG' =>  FALSE,
    'WP_DEBUG'     =>  FALSE
  )
);

foreach($env[$ENV_KEY] as $key => $val){
  define( $key, $val );
}

// Default: If server isn't defined, do this.
// Put the details for your production server here.
!defined('ENV_LOCAL')     ? define('ENV_LOCAL',   FALSE)             		: null;
!defined('DB_NAME')       ? define('DB_NAME',     '')                   : null;
!defined('DB_USER')       ? define('DB_USER',     '')                   : null;
!defined('DB_PASSWORD')   ? define('DB_PASSWORD', '')                   : null;
!defined('DB_HOST')       ? define('DB_HOST',     'localhost')          : null;
!defined('DB_CHARSET')    ? define('DB_CHARSET',  'utf8mb4')            : null;
!defined('DB_COLLATE')    ? define('DB_COLLATE',  'utf8mb4_unicode_ci') : null;
!defined('WP_SITEURL')    ? define('WP_SITEURL',  'http://mysite.com/') : null;
!defined('WP_HOME')       ? define('WP_HOME',     'http://mysite.com/') : null;
!defined('SCRIPT_DEBUG')  ? define('SCRIPT_DEBUG', FALSE)               : null;
!defined('WP_DEBUG')      ? define('WP_DEBUG',     FALSE)               : null;
!defined('WP_CACHE')      ? define('WP_CACHE',     TRUE)                : null;
!defined('WPLANG')      	? define('WPLANG',     	 'en_US')             : null;


/**#@+
 * 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}
 * You can change these at any point in time to invalidate all existing cookies. This will force all users to have to log in again.
 *
 * @since 2.6.0
 */
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' );

$table_prefix = 'wp_';

/* That's all, stop editing! Happy publishing. */

/** Absolute path to the WordPress directory. */
if ( ! defined( 'ABSPATH' ) ) {
	define( 'ABSPATH', dirname( __FILE__ ) . '/' );
}

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