>> >> [Redirected to PHP-DB: php-db@xxxxxxxxxxxxx] >> >> >> On Sun, Jul 12, 2009 at 00:31, Jason Carson<jason@xxxxxxxxxxxxxx> wrote: >> > Hello everyone, >> > >> > I am having a problem getting my prepared statements working. Here is >> my >> > setup... >> > >> > index.php -> authenticate.php -> admin.php >> > >> > 1)index.php has a login form on it so when someone enters their >> username >> > the form redirects to another page I call authenticate.php. >> > >> > 2)In the authenticate.php file I want to use prepared statements to >> > interact with the MySQL database. I want to compare the username >> submitted >> > from the form with the username in the database. >> > >> > 3)If the login username was legitimate then you are forwarded to >> admin.php >> > >> > Its step 2 I am having problems with. Here is what I have but I don't >> > think it makes any sense and it doesn't work. >> > >> > >> > $link = mysqli_connect($hostname, $dbusername, $password, $database); >> > $stmt = mysqli_prepare($link, "SELECT * FROM administrators WHERE >> > adminusers=?"); >> > mysqli_stmt_bind_param($stmt, 's', $username); >> > $result = mysqli_stmt_execute($stmt); >> > >> > $count=mysqli_num_rows($result); >> > >> > if($count==1){ >> > header("location:admin.php"); >> > } else { >> > echo "Failure"; >> > } >> > >> > Any help is appreciated. > > The main problem is you are not testing your results. With that code > you do not even know if you have a connection or not. I'd say there is > a good chance you do not have error reporting enabled or you would have > picked up the error straight away. > > mysqli_stmt_execute returns a boolean indicating success or failure. > You are trying to use it as a result set, which will not work. Replace: > > $count=mysqli_num_rows($result); > > with: > > mysqli_stmt_store_result($stmt); > $count = mysqli_stmt_num_rows($stmt); > >> >> -- >> </Daniel P. Brown> >> daniel.brown@xxxxxxxxxxxx || danbrown@xxxxxxx >> http://www.parasane.net/ || http://www.pilotpig.net/ >> Check out our great hosting and dedicated server deals at >> http://twitter.com/pilotpig >> >> -- >> PHP Database Mailing List (http://www.php.net/) >> To unsubscribe, visit: http://www.php.net/unsub.php >> > > -- > Niel Archer > > > > -- > PHP Database Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > > That did it, everything is working now. Thank you very much :-) -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php