Script: Fix missing exit + update documentation

tests/scripts/delete_deleted_exercises_with_questions.php

@@ -1,13 +1,17 @@
 <?php
 /* For licensing terms, see /license.txt */
 
+/**
+ * This script cleans up tests and questions that were deleted from the
+ * platform interface but were left in the database for recovery purposes.
+ */
 exit;
 
 require_once __DIR__ . '/../../main/inc/global.inc.php';
 
-$sql = 'SELECT iid, c_id, title 
-        FROM c_quiz 
-        WHERE active = -1 
+$sql = 'SELECT iid, c_id, title
+        FROM c_quiz
+        WHERE active = -1
         ORDER BY iid';
 
 $result = Database::query($sql);
@@ -24,7 +28,7 @@ foreach ($data as $row) {
 
     $courseInfo = api_get_course_info_by_id($row['c_id']);
 
-    $sql = "SELECT question_id, c_id 
+    $sql = "SELECT question_id, c_id
             FROM c_quiz_rel_question
             WHERE exercice_id = $id
             ORDER BY iid";
@@ -41,7 +45,7 @@ foreach ($data as $row) {
         foreach ($questions as $questionData) {
             $questionId = $questionData['question_id'];
             // Check if question is used in another exercise:
-            $sql = "SELECT count(iid) 
+            $sql = "SELECT count(iid)
                     FROM c_quiz_rel_question
                     WHERE exercice_id != $id AND question_id = $questionId";
             $result = Database::query($sql);
@@ -64,4 +68,4 @@ foreach ($data as $row) {
 
     $sql = "DELETE FROM c_item_property WHERE ref = $id AND c_id = $courseId and tool = 'quiz' ";
     $result = Database::query($sql);
-}
+}

tests/scripts/delete_duplicate_documents.php

@@ -1,8 +1,7 @@
 <?php
 /* For licensing terms, see /license.txt */
 /**
- * This script removes duplicated tests and questions created
- * through something gone wrong in the course backup/copy process.
+ * This script removes duplicated documents.
  * It identifies duplicate documents by title, path and size, and
  * makes sure no usage is associated with the duplicated document, and
  * that the duplicated document is not used in a learning path.

tests/scripts/find_duplicate_documents_by_md5.php

@@ -15,7 +15,7 @@
  *
  * @author Yannick Warnier <yannick.warnier@beeznest.com>
  */
-//exit; //remove this line to execute from the command line
+exit; //remove this line to execute from the command line
 
 use ChamiloSession as Session;