Ticket #1487: wp-register-uniq-patch.txt

--- wp-register.php.original    2005-07-02 05:00:17.000000000 +0300
+++ wp-register.php     2005-07-02 05:01:14.000000000 +0300
@@ -47,6 +47,12 @@
                die (__('<strong>ERROR</strong>: This username is already registered, please choose another one.'));
        }
 
+       /* checking the email isn't already used by another user */
+       $result = $wpdb->get_results("SELECT user_email FROM $wpdb->users WHERE user_email = '$user_email'");
+       if (count($result) >= 1) {
+               die (__('<strong>ERROR</strong>: This email address is already registered, please supply another.'));
+       }
+
        $user_ip = $_SERVER['REMOTE_ADDR'] ;
 
        $user_browser = $wpdb->escape($_SERVER['HTTP_USER_AGENT']);