help.php

   1 <?PHP
   2   /// help.php - prints a very simple page and includes a
   3   ///            page content or a string from elsewhere
   4   ///            Usually this will appear in a popup
   5   ///            See helpbutton() in lib/moodlelib.php
   6
   7   include("config.php");
   8
   9   optional_variable($file, "");
  10   optional_variable($text, "No text to display");
  11   optional_variable($module, "moodle");
  12
  13   print_header();
  14
  15   if (ereg("\\.\\.", $file)) {
  16       error("Filenames can not contain \"..\"");
  17   }
  18
  19   if ($file) {
  20         if ($module == "moodle") {
  21             $filepath = "$CFG->dirroot/lang/$CFG->lang/help/$file";
  22         } else {
  23             $filepath = "$CFG->dirroot/lang/$CFG->lang/help/$module/$file";
  24         }
  25
  26         if (file_exists("$filepath")) {
  27             include("$filepath");           // Chosen language
  28
  29         } else {                            // Fall back to English
  30             if ($module == "moodle") {
  31                 $filepath = "$CFG->dirroot/lang/en/help/$file";
  32             } else {
  33                 $filepath = "$CFG->dirroot/lang/en/help/$module/$file";
  34             }
  35
  36             if (file_exists("$filepath")) {
  37                 include("$filepath");
  38             } else {
  39                 notify("Can not find the specified help file");
  40                 die;
  41             }
  42         }
  43     } else {
  44         echo "<P>";
  45         echo $text;
  46         echo "</P>";
  47     }
  48 ?>
  49 </BODY>
  50 </HTML>
  51