Added function (from locallib.php) to create default quiz filename

lib/questionlib.php

@@ -1328,4 +1328,53 @@ function get_import_export_formats( $type ) {
 
     return $fileformatnames;
 }
+
+
+/**
+* Create default export filename
+*
+* @return string   default export filename
+* @param object $course
+* @param object $category
+*/
+function default_export_filename($course,$category) {
+    //Take off some characters in the filename !!
+    $takeoff = array(" ", ":", "/", "\\", "|");
+    $export_word = str_replace($takeoff,"_",strtolower(get_string("exportfilename","quiz")));
+    //If non-translated, use "export"
+    if (substr($export_word,0,1) == "[") {
+        $export_word= "export";
+    }
+
+    //Calculate the date format string
+    $export_date_format = str_replace(" ","_",get_string("exportnameformat","quiz"));
+    //If non-translated, use "%Y%m%d-%H%M"
+    if (substr($export_date_format,0,1) == "[") {
+        $export_date_format = "%%Y%%m%%d-%%H%%M";
+    }
+
+    //Calculate the shortname
+    $export_shortname = clean_filename($course->shortname);
+    if (empty($export_shortname) or $export_shortname == '_' ) {
+        $export_shortname = $course->id;
+    }
+
+    //Calculate the category name
+    $export_categoryname = clean_filename($category->name);
+
+    //Calculate the final export filename
+    //The export word
+    $export_name = $export_word."-";
+    //The shortname
+    $export_name .= strtolower($export_shortname)."-";
+    //The category name
+    $export_name .= strtolower($export_categoryname)."-";
+    //The date format
+    $export_name .= userdate(time(),$export_date_format,99,false);
+    //The extension - no extension, supplied by format
+    // $export_name .= ".txt";
+
+    return $export_name;
+}
+
 ?>