[Scottish] php and my sql

Graeme Chambers scottish at mailman.lug.org.uk
Tue Feb 11 13:07:00 2003


Hi,

The For loop on first execution sends the redirect header based on first
test 9i.e. first email address returned from database).

Suggest you include email address from form into SELECT query and decide
what to do on basis of number of records returned.

HTH

Graeme

On Tue, 2003-02-11 at 12:22, Ismail Murat Dilek wrote:
> Hi,
> I ve created a mysql database. Basically user fills  the form then  hits 
> submit button and  all data posted to mysql database.This part works fine.
> Next time user return the page enters their email address and hits 
> submit button. my php script
> check if email address exist in our database if exist takes user to 
> download page, if not exist takes them to registration page.
> Some strange reason this comparasing is not working properly. it works 
> for some email addresses,
> e.g. my email address olive@zoom.co.uk is registered in mysql database 
> so script should take to download page but it is taking me registration 
> page instead
> any ideas
> <?
> //Author: Ismail Murat Dilek
> 
> require("conn.php");
> /// ========================================================
> // following part read values of entered details and prepares them for 
> mysql data input format
> 
> $email = $HTTP_POST_VARS["email"];
> ///========================================================
> 
> 
> $query ="Select email from details"; // selects email field from details 
> table
> $result = mysql_query($query); //executes sql select query
> $num_result = mysql_num_rows($result);
> /* searches database for email, if email dosent exist writes details to
> database,then redirects user to download page
> */
> for ($i=0; $i<$num_result; $i++)
> {
>     $row= mysql_fetch_array($result);
>     $eml = stripslashes($row[email]);
>     $email = trim($email);
>     $eml = trim($eml);
>     $eq = strcmp($email,$eml);
>     if ($eq != 0)
>     {
>     header("Location:register.php");
>    
>     }
>     else
>     {
>     header("Location:download.php");
>     }
>    
>    
>    
> }//end for
> 
> ?>
>