mysqli - php5.3 - mysqli_stmt :bind_params with call_user_func_array warnings

Question

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Answer 1

我在 fabio at kidopi dot com dot br3 years ago on the PHP manual page of mysqli_stmt::bind_param() 的用户注释中找到了问题的答案(稍作修改):

I used to have problems with call_user_func_array and bind_param after migrating to php 5.3.

The cause is that 5.3 requires array values as reference while 5.2 worked with real values (but also with references). So I created a secondary helper function to help me with this:

function refValues($arr)
{ 
        $refs = array();

        foreach ($arr as $key => $value)
        {
            $refs[$key] = &$arr[$key]; 
        }

        return $refs; 
}

and changed my previous function from:

call_user_func_array(array($this->stmt, "bind_param"), $this->values); 

to:

call_user_func_array(array($this->stmt, "bind_param"), refValues($this->values)); 

This way my db functions keep working in PHP 5.2/5.3 servers.