Search with redirect - NEED HELP!

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April 9th, 2003, 05:33 PM

Frank

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Join Date: May 2002

Posts: 8

Time spent in forums: < 1 sec
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Search with redirect - NEED HELP!

Hello

I'm still in the start-phase of PHP programming, so this may be a silly Q for the most of you.

I'm trying to make a simple search engine in PHP. The "search engine" is supposed to be a "MulitiSearch". With radiobuttons to select the wanted extern site to search in, ex. Amazon.com - just parse the searchstring from amazon.com.

Anyhow, I get the form right, and a bit on the PHP part. But when it comes to the redirecting, something happends.

I use many if functions, and a header("Location: $url"); to redirect the url. Then I get this error:

Warning: Cannot add header information - headers already sent by (output started at /***/test.php:1) in /***/test.php on line 23

Anyone who can help me?

April 9th, 2003, 06:20 PM

jpenn

Contributing User

Join Date: Oct 2002

Location: Washington, DC

Posts: 317

Time spent in forums: 2 m 3 sec
Reputation Power: 6

You can try to put ob_start() at top of page. Problem is somewhere in your app you are sending something to the browser before hitting the header() part. Also, if you have many if statements, a better and more effecient approach would be to use a switch() statement ->

PHP Code:


		
			
/****************************

Switch on radio button selected

****************************/

switch( $_GET['radio_name'] )

{

    case 1:

    header( 'location: google.com?' . $_SERVER["QUERY_STRING"] );

    break;



    case 2:

    header( 'location: amazon.com?' . $_SERVER["QUERY_STRING"] );

    break;



    case 3:

    header( 'location: yahoo.com?' . $_SERVER["QUERY_STRING"] );

    break;



    default:

    break;

}

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