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Using redirects

From: Dynamic Dreamweaver Websites: Creating and Validating Forms

Video: Using redirects

We will now take a look at what is refered to as a redirect, and every server-side language has a way to redirect the user. And the easiest way to show you what this does, is to create a blank page, add a redirect and you'll see what I'm talking about. What I'd like to do is create a new PHP page. So we're going to go up to File > New > Blank Page > PHP > No Layout on it.

Using redirects

We will now take a look at what is refered to as a redirect, and every server-side language has a way to redirect the user. And the easiest way to show you what this does, is to create a blank page, add a redirect and you'll see what I'm talking about. What I'd like to do is create a new PHP page. So we're going to go up to File > New > Blank Page > PHP > No Layout on it.

Click Create, and in the code view we're going to delete all of the code on this page. We don't want there to be any code. This page is simply going to be used as a way to send the user to a different page. And the page we're going to send the user to is our contact us thank you page. So, we will preview this page in the browser, and we will actually see the thank you page instead.

So how do we code a redirect? Well first of all, let me save this. And we'll save this as Contact Us - Redirect. I want you to have all of these individual pages if you want to look over any of these pieces of code again. Now, just like any other PHP, the first thing we need is a code block. So I will go up to the PHP tab in Dreamweaver. In case this is not open, you can always get to it through Window Insert.

It's the very first item there. I'm going to have Dreamweaver create the code block for me so that I don't have to worry about making a mistake. I will add some space in here in front of the question mark so you can see what I'm doing. Now, inside this area, how do we create a redirect? Well, the first thing we want to do is put the word Header Parentheses Semicolon and inside this Header Area between the Parentheses, we are going to put where we want to send the user and we need to list Location Colon before we do that.

Now location and erasing inside this header must also be inside of double quotes, so I will put those in here, I'll grab location and I'll select it and just drag it between those two quotes, so you want to make sure location is between double quotes with the colon after it. Now once I have location plugged in I'm just adding a space so you can see it easier.

PHP doesn't care about that space. We're going to say okay where do we want to send them. Let's send them to the contact us dash tu dot PHP page. That's this page here, that we took a look at earlier. That should be all we need. Now, in order to make sure no additional code runs, it's a good ideal to add Exit with a semicolon as well. Now let's save this page, we'll put it in the browser, and what should occur is we do not see this page in any way.

We are immediately taken to the Thank You page, so I'll go out to the browser, open it up, and there's the Thank You page. We as a user don't even realize that we have been redirected, and this type of process happens all the time on websites... And unless you've thought through all these different processes. You don't even realize as a user, that you've been redirected. So that is the code to redirect a user. Now it is possible to put an entire domain name in here. So instead of putting this in here, I could take an entire website, but if you do that, make sure you add the http section in front of the actual domain name.

So, if I wanted to redirect a user to my website, I could do this. So, it's possible to put a full domain name inside of there. Now, to go backwards in Dreamweaver, we can control Z So I'll do that to get us right back to that contact us-tu. So that is how you create a redirect in PHP. What we're going to do is include that as a part of our form process so once the user clicks the submit button. They're taken to the action page, and the action page is going to redirect the user to our thank you page that's already been set up. So that is a redirect and the redirect code in PHP.

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