Description:
------------
Oracle connection handler passing by reference to a function does not close.
Php.ini include these extensions:
extension=php_mbstring.dll
extension=php_oci8.dll
Web server is:Apache 2.2.10

Reproduce code:
---------------
function CloseConnection(&$strConnection1)
  {    
    OCILogOff ($strConnection1);
  };

$strConnection = OCILogon("SCOTT", 'TIGER', "SERVICE_NAME");  
  
echo "Before CloseConnection strConexion=".$strConnection."-<br>";
CloseConnection($strConnection);
echo "After CloseConnection strConexion=".$strConnection."-<br>";
die();

Expected result:
----------------
Before CloseConnection strConnection=Resource id #2-
After CloseConnection strConnection=-

Actual result:
--------------
Before CloseConnection strConnection=Resource id #2-
After CloseConnection strConnection=Resource id #2-