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Re: Problem making a class extending another

Posted by Stefan Rybacki on 10/10/85 11:20

Peter wrote:
>>To get further help you should present some code you are using. And I
>>don't mean the code of the pear class. I mean just the code you use to use
>>the pear class.
>>
>>Regards
>>Stefan
>
>
> Hi
>
> I have taken out any unnecessary code.
>
> class my_class extends DB
> {
> function check_user($user_name)
> {
> global $_SERVER;
> $sql = 'select * from users where username =
> \''.htmlspecialchars($user_name).'\' AND browser =
> md5(\''.mysql_real_escape_string($_SERVER['HTTP_USER_AGENT']).'\') AND
> session_id = md5(\''.htmlspecialchars(session_id()).'\')';
> $confirm_user = parent::query($sql);
> if ($confirm_user->numRows()==1)
> {
> $_SESSION['logged_in'] = true;
> }
> }
> }
>
> as you can see I have tried parent::query($sql); I have also tried
> DB::query($sql); but that does not work either, in both cases it displays an
> error saying the following:-
>
> Fatal error: Call to undefined function: db() in
> /home/petermcd/public_html/the.php on line 25
>
>
I'm not very familar with the pear packages. As I can see is query a
method of a class called DB. And since you derived your class of DB you
should simply call query() without anything before (e.g. parent or DB).

Another thing that makes me stuck is that the error message tells you
something about a function called db() and I don't see such a function
in your code?!

Regards
Stefan

 

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