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   require_once("config.php");
   8
   9   optional_variable($file, "");
  10   optional_variable($text, "No text to display");
  11   optional_variable($module, "moodle");
  12
  13   $lang = current_language();
  14
  15   print_header();
  16
  17   if (detect_munged_arguments("$module/$file")) {
  18       error("Filenames contain illegal characters!");
  19   }
  20
  21   if ($file) {
  22         if ($module == "moodle") {
  23             $filepath = "$CFG->dirroot/lang/$lang/help/$file";
  24         } else {
  25             $filepath = "$CFG->dirroot/lang/$lang/help/$module/$file";
  26         }
  27
  28         if (file_exists("$filepath")) {
  29             require_once("$filepath");           // Chosen language
  30
  31         } else {                                 // Fall back to English
  32             if ($module == "moodle") {
  33                 $filepath = "$CFG->dirroot/lang/en/help/$file";
  34             } else {
  35                 $filepath = "$CFG->dirroot/lang/en/help/$module/$file";
  36             }
  37
  38             if (file_exists("$filepath")) {
  39                 require_once("$filepath");
  40             } else {
  41                 notify("Can not find the specified help file");
  42                 die;
  43             }
  44         }
  45     } else {
  46         echo "<p>";
  47         echo $text;
  48         echo "</p>";
  49     }
  50
  51     close_window_button();
  52 ?>
  53 </body>
  54 </html>
  55