Changed search users (for merge) SQL (once again) to ORDER BY first and last nam…

…es, as well as refactored checks for profile preference and email addresses to merge to new user

@@ -1013,7 +1013,7 @@ class Actions {
 					OR umm.meta_value LIKE '%$username%')
 					AND ums.meta_value != 'terminated'
 				)
-				ORDER BY user_email";
+				ORDER BY first_name, last_name";
 
 			$result = $wpdb->get_results($query, ARRAY_A);
 
@@ -1096,8 +1096,6 @@ HTML;
 				'comment_shortcuts',
 				'admin_color',
 				'use_ssl',
-				'wp_capabilities',
-				'wp_user_level',
 				'x_cicbv.person',
 				'tz_profile_pub',
 				'events',
@@ -1118,10 +1116,16 @@ HTML;
 					continue;
 				}
 
-				// Special case: only transfer member_id if it's not blank
+				// Special cases:
+				// Only transfer member_id if it's not blank
 				if ($key == 'member_id' && empty($val)) {
 					continue;
 				}
+				// Don't transfer any wp_* fields
+				if (substr($key, 0, 3) == 'wp_') {
+					continue;
+				}
+
 				// Make sure we're updating the right user ID and perform update
 				update_user_meta($to_user->ID, $key, $val);
 
@@ -1132,7 +1136,13 @@ HTML;
 				// Transfer old user's profile preference email address (work, home, etc.) to new user's user_email field
 				if (isset($from_user->profile_preference) && ! empty($from_user->profile_preference)) {
 					$preference = strtolower($from_user->profile_preference) . '_email';
+					if (isset($from_user->$preference) && ! empty($from_user->$preference)) {
 						_update_user(array('ID' => $to_user->ID, 'user_email' => $from_user->$preference));
+					} else {
+						_update_user(array('ID' => $to_user->ID, 'user_email' => $from_user->user_email));
+					}
+				} else {
+					_update_user(array('ID' => $to_user->ID, 'user_email' => $from_user->user_email));
 				}
 			}