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@cballou
Created August 15, 2011 13:54
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Wordpress Multi-Environment wp-config.php Setup
<?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', '');
@juniovitorino
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Hey buddy, really cool your approach, but let me know how you're setting ENVIRONMENT constant variable, because in production it'll behave as in development in my understanding, no?

@cballou
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Author

cballou commented Mar 28, 2012

You can use getenv() or apache_getenv() to retrieve variables that have been set inside of either Apache or inside of .htaccess, meaning you set the server environment directly in one of those two places:

# .htaccess version
SetEnv ENVIRONMENT "production"

# apache version
<VirtualHost *:80>
    <Directory />
        SetEnv ENVIRONMENT local
    </Directory>
</VirtualHost>

@juniovitorino
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Cool man, thanks.

@alexandrejulien
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Nice stuff, for my part I use a Phing build script to switch wp-config files. But there is a problem with Wordpress, many configurations datas are stored in Database likes url host.

@MextroNL
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Hi, I have a ubuntu server with database and files running on it, I commit changes to remote, pull them on my server and want to use my ubuntu database on windows pc, but i can't because of wp_options siteurl and home... how to make this work i use the same database as my server but i can develop on localhost

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