davestewart
6/29/2015 - 11:34 AM

Easily configure multiple domains/hosts for a single WordPress setup using arrays rather than constants

Easily configure multiple domains/hosts for a single WordPress setup using arrays rather than constants

wp_configure.php
content_copyfile_download
<?php

/**
 * Easy WordPress configuration
 * 
 * @param array	$settings	An array of named settings
 * @param bool	$debug		An optional boolean to output errors to the screen
 */
function wp_configure($settings, $debug = false)
{
	$host = $_SERVER['HTTP_HOST'];
	$values = isset($settings['defaults']) ? $settings['defaults'] : array();
	$params = isset($settings[$host]) ? $settings[$host] : null;
	if(is_string($params)){ $params = $settings[$params]; }
	if( ! $params ) { die('<body style="font-family:sans-serif"><h1>Configuration error</h1><p>The array passed to wp_configure() is missing an entry for "' .$host. '".</p>'); };
	foreach($params as $key => $value) { if( ! empty($value) ) { $values[$key] = $value; } }
	foreach($values as $key => $value) { define($key, $value); }
	$debug && print ('<pre>' . print_r($values, 1));
}

/**
 * Configure WordPress based on the HTTP_HOST
 */
wp_configure(array
(
	// default values
	'defaults' => array
	(
		'DB_HOST'		=> 'localhost',
		'DB_NAME'		=> 'blog',
		'DB_USER'		=> 'root',
		'DB_PASSWORD'	=> '',
		'WP_HOME'		=> '',
		'WP_SITEURL'	=> '',
		'DB_CHARSET'	=> 'utf8',
		'DB_COLLATE'	=> '',
	),
	
	// the local domain
	'domain.local' => array
	(
		'DB_HOST'		=> '',
		'DB_NAME'		=> '',
		'DB_USER'		=> '',
		'DB_PASSWORD'	=> '',
		'WP_HOME'		=> '',
		'WP_SITEURL'	=> '',
	),
	
	// the live domain
	'domain.com' => array
	(
		'DB_HOST'		=> '',
		'DB_NAME'		=> '',
		'DB_USER'		=> '',
		'DB_PASSWORD'	=> '',
		'WP_HOME'		=> '',
		'WP_SITEURL'	=> '',
	),
	
	// alias one domain to another
	'www.domain.com'	=> 'domain.com',
	
	// add any other domains here
));