adding a function : to_header_string -> filter to execute at the beginning

[old-projects.git] / philter / philter / include / plugin.inc.php

diff --git a/philter/philter/include/plugin.inc.php b/philter/philter/include/plugin.inc.php
index 71894c3..851cce4 100644 (file)
--- a/philter/philter/include/plugin.inc.php
+++ b/philter/philter/include/plugin.inc.php
@@ -54,6 +54,8 @@ class Plugin {
      */
     function to_string($_data) { return ""; }
 
+    function to_header_string() { return ""; }
+
     /** returns the function that creates the form in javascript (@see FwdPlugin for one example).
      * @return  the string containing the javascript code
      */