diff --git a/all-in-one-wp-security/admin/wp-security-user-accounts-menu.php b/all-in-one-wp-security/admin/wp-security-user-accounts-menu.php
index 08e9a94..4531524 100644
--- a/all-in-one-wp-security/admin/wp-security-user-accounts-menu.php
+++ b/all-in-one-wp-security/admin/wp-security-user-accounts-menu.php
@@ -317,7 +317,7 @@ function validate_change_username_form()
     function get_all_admin_accounts($blog_id='') {
         //TODO: Have included the "blog_id" variable for future use for cases where people want to search particular blog (eg, multi-site)
         if ($blog_id) {
-            $admin_users = get_users('blog_id='.$blog_id.'orderby=login&role=administrator');
+            $admin_users = get_users('blog_id='.$blog_id.'&orderby=login&role=administrator');
         } else {
             $admin_users = get_users('orderby=login&role=administrator');
         }
@@ -333,8 +333,8 @@ function get_all_admin_accounts($blog_id='') {
                 }else {
                     $account_output .= '<td>'.$entry->user_login.'</td>';
                 }
-                $user_acct_edit_link = get_option('siteurl').'/wp-admin/user-edit.php?user_id=';
-                $account_output .= '<td><a href="'.$user_acct_edit_link.$entry->ID.'" target="_blank">Edit User</a></td>';
+                $user_acct_edit_link = admin_url('user-edit.php?user_id=' . $entry->ID);
+                $account_output .= '<td><a href="'.$user_acct_edit_link.'" target="_blank">Edit User</a></td>';
                 $account_output .= '</tr>';
             }
             $account_output .= '</table>';
diff --git a/all-in-one-wp-security/classes/wp-security-utility.php b/all-in-one-wp-security/classes/wp-security-utility.php
index 89c2e63..2b3f8e2 100644
--- a/all-in-one-wp-security/classes/wp-security-utility.php
+++ b/all-in-one-wp-security/classes/wp-security-utility.php
@@ -58,15 +58,13 @@ static function check_user_exists($username)
         //If multisite 
         if (AIOWPSecurity_Utility::is_multisite_install()) {
             $blog_id = get_current_blog_id();
-            $admin_users = get_users('blog_id=' . $blog_id . 'orderby=login&role=administrator');
-            $acct_name_exists = false;
+            $admin_users = get_users('blog_id=' . $blog_id . '&orderby=login&role=administrator');
             foreach ($admin_users as $user) {
                 if ($user->user_login == $username) {
-                    $acct_name_exists = true;
-                    break;
+                    return true;
                 }
             }
-            return $acct_name_exists;
+            return false;
         }
 
         //check users table
@@ -74,20 +72,18 @@ static function check_user_exists($username)
         $sql_1 = $wpdb->prepare("SELECT user_login FROM $wpdb->users WHERE user_login=%s", $sanitized_username);
         $user_login = $wpdb->get_var($sql_1);
         if ($user_login == $sanitized_username) {
-            $users_table_value_exists = true;
+            return true;
         } else {
             //make sure that the sanitized username is an integer before comparing it to the users table's ID column
-            $sanitized_username_is_an_integer = (1 === preg_match('/^\d+$/', $sanitized_username)) ? true : false;
+            $sanitized_username_is_an_integer = (1 === preg_match('/^\d+$/', $sanitized_username));
             if ($sanitized_username_is_an_integer) {
                 $sql_2 = $wpdb->prepare("SELECT ID FROM $wpdb->users WHERE ID=%d", intval($sanitized_username));
                 $userid = $wpdb->get_var($sql_2);
-                $users_table_value_exists = ($userid == $sanitized_username) ? true : false;
+                return ($userid == $sanitized_username);
             } else {
-                $users_table_value_exists = false;
+                return false;
             }
         }
-        return $users_table_value_exists;
-
     }
 
     /*
@@ -163,11 +159,7 @@ static function get_cookie_value($cookie_name)
 
     static function is_multisite_install()
     {
-        if (function_exists('is_multisite') && is_multisite()) {
-            return true;
-        } else {
-            return false;
-        }
+        return function_exists('is_multisite') && is_multisite();
     }
 
     //This is a general yellow box message for when we want to suppress a feature's config items because site is subsite of multi-site
@@ -305,9 +297,7 @@ static function event_logger($event_type, $username = '')
 
         //Some initialising
         $url = '';
-        $ip_or_host = '';
         $referer_info = '';
-        $event_data = '';
 
         $events_table_name = AIOWPSEC_TBL_EVENTS;
 
@@ -428,7 +418,7 @@ static function lock_IP($ip, $lock_reason = '', $username = '')
      */
     static function get_blog_ids()
     {
-        global $wpdb, $aio_wp_security;
+        global $wpdb;
         if (AIOWPSecurity_Utility::is_multisite_install()) {
             global $wpdb;
             $blog_ids = $wpdb->get_col("SELECT blog_id FROM " . $wpdb->prefix . "blogs");