--- expressoAdmin1_2/inc/class.ldap_functions.inc.php   2019-11-26 14:28:44.747511981 -0300
+++ /tmp/expressoAdmin1_2/inc/class.ldap_functions.inc.php      2019-11-26 14:31:30.000000000 -0300
@@ -2628,7 +2628,7 @@
                        return $result;
                }

-               if (! eregi("^([a-zA-Z0-9_\-])+(\.[a-zA-Z0-9_\-]+)*\@([a-zA-Z0-9_\-])+(\.[a-zA-Z0-9_\-]+)*$", $params['mail']) )
+               if (! preg_match("/^([a-zA-Z0-9_\-])+(\.[a-zA-Z0-9_\-]+)*\@([a-zA-Z0-9_\-])+(\.[a-zA-Z0-9_\-]+)*$/", $params['mail']) )
                {
                        $result['status'] = false;
                        $result['msg']  = $this->functions->lang('Field mail is not formed correcty') . '.';
@@ -2715,7 +2715,7 @@
                }
                else
                {
-                       $tmp_user_context = split(",", $entrie[0]['dn']);
+                       $tmp_user_context = explode(",", $entrie[0]['dn']);
                        $tmp_reverse_user_context = array_reverse($tmp_user_context);
                        array_pop($tmp_reverse_user_context);
                        $return['user_context'] = implode(",", array_reverse($tmp_reverse_user_context));