Create $illegal_names if it's not created during install. (fixes #36)

git-svn-id: http://svn.automattic.com/wordpress-mu/trunk@597 7be80a69-a1ef-0310-a953-fb0f7c49ff36

1 files changed, 4 insertions, 0 deletions

diff --git a/wp-includes/wpmu-functions.php b/wp-includes/wpmu-functions.php
index a84be1d..c85d654 100644
--- a/wp-includes/wpmu-functions.php
+++ b/wp-includes/wpmu-functions.php
@@ -854,6 +854,10 @@ function wpmu_validate_user_signup($user_name, $user_email) {
 	}
 
 	$illegal_names = get_site_option( "illegal_names" );
+	if( is_array( $illegal_names ) == false ) {
+		$illegal_names = array(  "www", "web", "root", "admin", "main", "invite", "administrator" );
+		add_site_option( "illegal_names", $illegal_names );
+	}
 	if( in_array( $user_name, $illegal_names ) == true ) {
 	    $errors->add('user_name',  __("That username is not allowed"));
 	}