Posted By

jonhenshaw on 10/14/08

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Last Edited at 10/14/08 12:26pm

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Manage Multiple WordPress Sites With One Database and One Code Base

/ Published in: PHP

This is a simple but powerful tweak to the wp-config.php file that will make it easy to run multiple websites using one database and codebase. Simply change "yourdomain.com" with your domain and that's it. Repeat that line for new domains.

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// You can have multiple installations in one database if you give each a unique prefix
 
$domain_list = array();
 
// auto database name
$domain_list["yourdomain.com"] = "";\
 
$domain_name = preg_replace("/^www\./", "", $_SERVER["SERVER_NAME"]);
 
if (array_key_exists($domain_name, $domain_list))
{
	$table_prefix = $domain_list[$domain_name];
	if (!$table_prefix) { $table_prefix  = "wp_" . md5($domain_name); }
}
else
{
	print "Unknown error"; exit;
}