Minor cleaning file exercise.class.php

main/exercice/exercise.class.php

@@ -2057,9 +2057,7 @@ class Exercise {
                     $answer = '';
                     $j = 0;
                     //initialise answer tags
-                    $user_tags = array ();
-                    $correct_tags = array ();
-                    $real_text = array ();
+                    $user_tags = $correct_tags = $real_text = array ();                    
                     // the loop will stop at the end of the text
                     while (1) {
                         // quits the loop if there are no more blanks (detect '[')
@@ -2087,7 +2085,7 @@ class Exercise {
                             break;
                         }                        
                         if ($from_database) {
-                            $queryfill = "SELECT answer FROM ".$TBL_TRACK_ATTEMPT." WHERE exe_id = '".Database::escape_string($exeId)."' AND question_id= '".Database::escape_string($questionId)."'";
+                            $queryfill = "SELECT answer FROM ".$TBL_TRACK_ATTEMPT." WHERE exe_id = '".$exeId."' AND question_id= '".Database::escape_string($questionId)."'";
                             $resfill = Database::query($queryfill);
                             $str = Database::result($resfill,0,'answer');
                             
@@ -2110,7 +2108,6 @@ class Exercise {
                         $correct_tags[] = api_strtolower(api_substr($temp, 0, $pos));                        
                         $j++;
                         $temp = api_substr($temp, $pos +1);
-                        //$answer .= ']';
                     }
                     $answer = '';
                     $real_correct_tags = $correct_tags;