From 9de53ef46f9f4b3fe678d1f0ac695fd8d44954bc Mon Sep 17 00:00:00 2001
From: Sesostris Vieira <sesostris@interlegis.leg.br>
Date: Wed, 6 Aug 2014 17:17:56 -0300
Subject: [PATCH] =?UTF-8?q?Corre=C3=A7=C3=A3o=20de=20bugs=20na=20valida?=
 =?UTF-8?q?=C3=A7=C3=A3o=20do=20CPF?=
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---
 field.class.php | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/field.class.php b/field.class.php
index 7932001..d1e4056 100644
--- a/field.class.php
+++ b/field.class.php
@@ -21,11 +21,16 @@ class profile_field_cpf extends profile_field_base {
     }
 
     function edit_validate_field($usernew) {
+        // Get default validation errors
+        $errors = parent::edit_validate_field($usernew);
+        if ($errors) {
+            return $errors;
+        }
+
         // Based on script by Moacir, in http://codigofonte.uol.com.br/codigos/validacao-de-cpf-com-php
-        $errors = array();
         if (isset($usernew->{$this->inputname})) {
             $cpf = $usernew->{$this->inputname};
-            if (ctype_digit($cpf)) {
+            if (!ctype_digit($cpf)) {
                 return array($this->inputname => get_string('cpf_digits', 'profilefield_cpf'));
             }
             if (strlen($cpf) != 11) {