added some comments

display "no tags selected" when nothing is selected. otherwise it looks like a bit kind of error when empty

1 files changed, 14 insertions, 6 deletions

diff --git a/phpfspot.class.php b/phpfspot.class.php
index eaa788a..edf3965 100644
--- a/phpfspot.class.php
+++ b/phpfspot.class.php
@@ -523,6 +523,7 @@ class PHPFSPOT {
     */
    public function getAvailableTags()
    {
+      /* retrive tags from database */
       $this->get_tags();
 
       $output = "";
@@ -566,10 +567,10 @@ class PHPFSPOT {
          if(isset($_SESSION['selected_tags']) && in_array($key, $_SESSION['selected_tags']))
             continue;
 
-          // calculate CSS font-size
-          // find the $value in excess of $min_qty
-          // multiply by the font-size increment ($size)
-          // and add the $min_size set above
+         // calculate CSS font-size
+         // find the $value in excess of $min_qty
+         // multiply by the font-size increment ($size)
+         // and add the $min_size set above
          $size = $min_size + (($value - $min_qty) * $step);
           // uncomment if you want sizes in whole %:
          $size = ceil($size);
@@ -594,9 +595,11 @@ class PHPFSPOT {
     */
    public function getSelectedTags()
    {
+      /* retrive tags from database */
       $this->get_tags();
 
       $output = "";
+
       foreach($this->avail_tags as $tag)
       {
          // return all selected tags
@@ -605,8 +608,13 @@ class PHPFSPOT {
          }
       }
 
-      $output = substr($output, 0, strlen($output)-2);
-      print $output;
+      if($output != "") {
+         $output = substr($output, 0, strlen($output)-2);
+         return $output;
+      }
+      else {
+         return "no tags selected";
+      }
 
    } // getSelectedTags()