Fixing SQL queries.

main/newscorm/learnpath.class.php

@@ -2856,7 +2856,6 @@ class learnpath
 
         $sql = "SELECT count(*) FROM $table WHERE c_id = $course_id AND lp_iv_id = $lp_iv_id";
         $res = Database::query($sql);
-        $res = 0;
         $num = 0;
         if (Database::num_rows($res)) {
             $row = Database::fetch_array($res);
@@ -2926,7 +2925,6 @@ class learnpath
         $sql = "SELECT count(*) FROM $table WHERE c_id = $course_id AND lp_iv_id = $lp_iv_id";
         //@todo seems that this always returns 0
         $res = Database::query($sql);
-        $res = 0;
         $num = 0;
         if (Database::num_rows($res)) {
             $row = Database :: fetch_array($res);

main/newscorm/lp_stats.php

@@ -460,7 +460,7 @@ if (is_array($list) && count($list) > 0) {
                 // Check results_disabled in quiz table.
                 $my_path = Database::escape_string($my_path);
 
-                $sql = "SELECT results_disabled FROM $TBL_QUIZ WHERE c_id = $course_id AND id ='" . (int) $my_path . "'";
+                $sql = "SELECT results_disabled FROM $TBL_QUIZ WHERE c_id = $course_id AND iid ='" . (int) $my_path . "'";
                 $res_result_disabled = Database::query($sql);
                 $row_result_disabled = Database::fetch_row($res_result_disabled);