从PHP向Microsoft SQL服务器发出执行存储过程

I am using the code igniter framework. And I been trying to execute a stored procedure(no params) I wrote on Microsoft SQL Server 2008 from PHP but i get an error . This stored procedure runs good on Microsoft SQL Server with no errors. I am using sqlsrv as the driver and I have a PHP version 5.2 if that helps. I am using the code igniter framework. And I be