mods/_standard/student_tools/classes/StudentToolsUtil.class.php

   1 <?php\r
   2 /************************************************************************/\r
   3 /* ATutor                                                               */\r
   4 /************************************************************************/\r
   5 /* Copyright (c) 2002 - 2009                                            */\r
   6 /* Inclusive Design Institute                                           */\r
   7 /*                                                                      */\r
   8 /* This program is free software. You can redistribute it and/or        */\r
   9 /* modify it under the terms of the GNU General Public License          */\r
  10 /* as published by the Free Software Foundation.                        */\r
  11 /************************************************************************/\r
  12 // $Id: ims_import.php 10319 2010-10-08 20:43:03Z hwong $\r
  13 \r
  14 /**\r
  15 * This class contains all the utility functions to set/get/clean progress \r
  16 * information\r
  17 * @access       public\r
  18 * @author       Cindy Qi Li\r
  19 */\r
  20 if (!defined('AT_INCLUDE_PATH')) exit;\r
  21 \r
  22 class StudentToolsUtil {\r
  23 \r
  24         /**\r
  25          * Return an array of all the student tools for current course.\r
  26          * Return an empty array if no student tools defined.\r
  27          */\r
  28         public static function getStudentTools($course_id) \r
  29         {\r
  30                 global $db;\r
  31                 \r
  32                 $student_tools = array();\r
  33                 $sql = "SELECT links FROM ".TABLE_PREFIX."fha_student_tools WHERE course_id=$course_id";\r
  34                 $result = mysql_query($sql, $db);\r
  35                 if ($row = mysql_fetch_assoc($result)) {\r
  36                         $student_tools = explode('|', $row['links']);\r
  37                 }\r
  38                 // removed the empty array value\r
  39                 $cleaned_student_tools = array();\r
  40                 \r
  41                 foreach ($student_tools as $tool) {\r
  42                         if (trim($tool) <> '') $cleaned_student_tools[] = $tool;\r
  43                 }\r
  44                 \r
  45                 return $cleaned_student_tools;\r
  46         }\r
  47 }\r
  48 ?>