Description:
------------
I tested this on both linux/windows with PHP 5.2.10 and it gave no problems. After updating the windows machine to PHP 5.3.0 it now gives the error.

Warning: Parameter 3 to mysqli_stmt_bind_param() expected to be a reference, value given

Reproduce code:
---------------
<?php
class db {
    public $result;    
    function getresult(){
        $connection = mysqli_connect('localhost', 'root', 'password', 'testdb');        
        $args = func_get_args();
        $query = array_shift($args);
         
        if(!$connection){ mysqli_connect_error(); exit(); }
        $sql = mysqli_prepare($connection, $query);
    
        $types = str_repeat('s', count($args));
        array_unshift($args, $types);
        array_unshift($args, $sql);
     
        call_user_func_array('mysqli_stmt_bind_param', $args); 
        mysqli_stmt_execute($sql);
        mysqli_stmt_bind_result($sql, $result);    
        mysqli_stmt_fetch($sql);
    
        mysqli_close($connection);
        $this->result = $result;        
    }
}

$uid = NEW db();
$uid->getresult("SELECT uid FROM testtable WHERE user = ?","Chris");
echo $uid->result;
?>

Expected result:
----------------
It should echo the uid of the user.

Actual result:
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Warning: Parameter 3 to mysqli_stmt_bind_param() expected to be a reference, value given in D:\www\mysqli2.php on line 16