Wordpress Multi-Environment wp-config.php Setup

wordpress-multi-env-configphp-setup.php

<?php
/**
 * This code is intended to be added to your wp-config.php file just below the top comment block.
 * It should replace the existing define('DB_*') statements. You can add or remove sections
 * depending on the number of environments you intend to setup. You should change all values of
 * DB_NAME, DB_USER, DB_PASSWORD, and DB_HOST for each environment, making them all distinct
 * for security purposes.
 */

// determine the current environment
define('APPLICATION_ENV', (getenv('ENVIRONMENT') ? getenv('ENVIRONMENT') : 'production'));

// set specific global database variables depending on your environment
if (APPLICATION_ENV != 'production') {

    // turn on error reporting
    error_reporting(E_ALL|E_STRICT);
    ini_set('display_errors', 1);

    // set your database credentials for each of your environments
    if (APPLICATION_ENV == 'local') {
        define('DB_NAME', 'myLocalDatabase');
        define('DB_USER', 'myLocalUser');
        define('DB_PASSWORD', 'myLocalPassword');
        define('DB_HOST', 'localhost');
    } else if (APPLICATION_ENV == 'dev') {
        define('DB_NAME', 'myDevDatabase');
        define('DB_USER', 'myDevUser');
        define('DB_PASSWORD', 'myDevPassword');
        define('DB_HOST', '192.168.1.100');
    } else if (APPLICATION_ENV == 'staging') {
        define('DB_NAME', 'myStagingDatabase');
        define('DB_USER', 'myStagingUser');
        define('DB_PASSWORD', 'myStagingPassword');
        define('DB_HOST', 'localhost');
    }

} else {

    // turn off error reporting in production
    error_reporting(0);
    @ini_set(‘display_errors’, 0);

    // set your production database values
    define('DB_NAME', 'myProductionDatabase');
    define('DB_USER', 'myProductionUser');
    define('DB_PASSWORD', 'myProductionPassword');
    define('DB_HOST', 'localhost');

}

// no need to touch these unless you have specific requirements to do so
define('DB_CHARSET', 'utf8');
define('DB_COLLATE', '');