From eb64eefaab7a13a3d8a1898d80dae776b9150de0 Mon Sep 17 00:00:00 2001
From: pichetp <pichetp>
Date: Mon, 26 Jan 2009 01:26:03 +0000
Subject: [PATCH] MDL-17995 replacing != ''   by !empty(). Merged from HEAD

---
 question/type/multianswer/edit_multianswer_form.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/question/type/multianswer/edit_multianswer_form.php b/question/type/multianswer/edit_multianswer_form.php
index 8d0fed9d2df..77262d444da 100644
--- a/question/type/multianswer/edit_multianswer_form.php
+++ b/question/type/multianswer/edit_multianswer_form.php
@@ -36,7 +36,7 @@ class question_edit_multianswer_form extends question_edit_form {
         if ( isset($this->questiondisplay->options->questions) && is_array($this->questiondisplay->options->questions) ) {
             $countsubquestions =0;
             foreach($this->questiondisplay->options->questions as $subquestion){
-                if ($subquestion != ''){
+                if (!empty($subquestion)){
                    $countsubquestions++;
                 }
             } 
@@ -95,7 +95,7 @@ class question_edit_multianswer_form extends question_edit_form {
         if (isset($question->id) and $question->id and $question->qtype and $question->questiontext) {
 
             foreach ($question->options->questions as $key => $wrapped) {
-                if($wrapped != ''){
+                if(!empty($wrapped)){
                 // The old way of restoring the definitions is kept to gradually
                 // update all multianswer questions
                 if (empty($wrapped->questiontext)) {