Questions about using PHP to call MYSQL stored procedures

The following code is used to call the MYSQL stored procedure in PHP: & lt ;? Php & nbsp; $ dbcon = mysql_connect (& quot; localhost & quot;, & quot; root & quot;, & quot; sony & quot ;) ordie (& q PHP call MYSQL stored procedure problem
The following code is used:
PHP:
$ Dbcon = mysql_connect ("localhost", "root", "sony") or die ("data cannot be connected ");
Mysql_select_db ("dbname") or die ("data cannot be connected". $ db );
Mysql_query ("call p_ss ()", $ dbcon) or die ("unable to connect ");
Mysql_close ($ dbcon );
?>

MYSQL:
Create definer = 'root' @ 'localhost' PROCEDURE 'p _ cong_ss '(in idd int)
BEGIN
Update bookuser
Set id = idd;
Select idd;
END
MYSQL runs OK on the query browser. However, PHP is always unable to be connected during the call. could you please?

------ Solution --------------------
The defined name is p_cong_ss.
The access name is p_ss.

Besides, you also need to pass a parameter.
------ Solution --------------------
I don't know what the problem is.
------ Solution --------------------
Output error content to see if any prompt is displayed.