Development Tools & DevOps

I'm using xampp 1.8.1 and oracle 11g

i already download instance client

change the path

F:\app\ARMv2\product\11.1.0\db_1\bin;%SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem;%SYSTEMROOT%\System32\WindowsPowerShell\v1.0\;C:\Program Files\ATI Technologies\ATI.ACE\Core-Static\;C:\instantclient

then i create database and index.php.

start xampp.

when i run it, i get error

Warning: oci_connect(): ORA-24315: illegal attribute type in C:\xampp\htdocs\cart\index.php on line 3

i look the line code

$conn = oci_connect('CART','12345','localhost/XE');

what i miss? please help me...