====== ADOdb_Session::expireNotify======
~~NOTOC~~
<WRAP right box>
==Syntax==
  string ADOdb_Session::expireNotify(
    optional string $functionName
    )
</WRAP>
===== Description =======
The **static** method //**expireNotify**// sets or gets the name of the **//Garbage Collector (gc)//** function on the session connection. If defined, the function is executed each time a session expires. 

The value must be set **//before//** [[v5:session:reference:config|config()]] is called
 
=====Use As A Getter=====
When used without parameters it returns the currently set value
=====Usage=====
<code php>
function gcCleanup(){}

include_once 'adodb/adodb.inc.php';
include_once "adodb/session/adodb-session2.php";

ADOdb_Session::expireNotify('gcCleanup');
ADOdb_Session::config('oci8',$host,$user,$pass,$database);

</code>