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Forwarding a sub domain & MISC php question
    #8647677 -

I am using Brinkster for a particular website. On the sites I host myself, I can just goto godaddy.com and they will forward the URL with their DNS.

So... Brinkster setup a sub domain http://secure.someurl.com and I want it so when someone visits this sub domain they are redirected to https://someurl.net.

Brinkster said they could setup the sub domain but I would have to do the redirect via code. PHP is my server side language of choice and know the syntax for redirecting a URL but not a query to a specific sub domain.

Edited by daytripper05 (07/17/08 04:44 PM)

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Re: Forwarding a sub domain & MISC php question [Re: daytripper05]
    #8647976 -

I have another unrelated question but didn't want to make a new thread.

I have a data entry form with 17 data fields for a medical equipment company. I need to validate the form. So far, I have a way I would do it but that might not be the correct way.

I have come across the preg_match function to be honest, it's confusing and most sites a few vague explanation of the syntax. But before delving a little deeper and wasting more time, I just didn't know if this is a good way to validate a form.

How would you validate a form with first&last name, address, phone number, zipcode? I could obviously test each and every field but it seems after doing a couple quick searches the preg_match function comes up.

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Re: Forwarding a sub domain & MISC php question [Re: daytripper05]
    #8647978 -

You don't need PHP. HTTP has this functionality natively. If my failing memory is right, just put this in your HTML file and you're done:

Code:

<html><head>
<meta http-equiv="Refresh" content="0; url=http://www.some_place_else.com/">
</head></html>


The content=0 part is how long, in seconds, the browser will delay before loading the new page. A 0 means it will immediately load the next page.


--------------------
Republican Values:

1) You can't get married to your spouse who is the same sex as you.
2) You can't have an abortion no matter how much you don't want a child.
3) You can't have a certain plant in your possession or you'll get locked up with a rapist and a murderer.

4) We need a smaller, less-intrusive government.

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Re: Forwarding a sub domain & MISC php question [Re: daytripper05]
    #8647984 -

This should do it:

Code:
if ($_SERVER['HTTP_HOST'] == 'secure.someurl.com'){
	header("Location: https://someurl.net{$_SERVER['REQUEST_URI']}", 301);
}


Edit: damn, beat to the punch and I also might have misinterpreted what you meant by "redirecting a URL but not a query".

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Re: Forwarding a sub domain & MISC php question [Re: daytripper05]
    #8648029 -

If you want to ensure that your input matches a certain format, then preg_match is indeed the correct function to use. Here's a good regex guide, and to get you started here are some examples:

Validate a name (i.e. accept letters only):
preg_match('/^[A-z]+$/', $field);

Validate a phone number in formats 3334445555, 333.444.5555, 333-444-5555, 333 444 5555, (333) 444 5555, and all combinations thereof.
preg_match('/^\(?\d{3}\)?[-. ]?\d{3}[-. ]?\d{4}$/', $field);

Validate a zip code in 12345 or 12345-6789 format:
preg_match('/^\d{5}(?:-\d{4})?$/', $field);

I use RegexBuddy to help with regexes and I highly recommend it. Don't worry if regexes confuse you, they confuse everyone at first but eventually you will come to appreciate their elegance.

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Re: Forwarding a sub domain & MISC php question [Re: Ythan]
    #8648030 -

I don't even know what I was trying to say there...reading that again, and it doesn't even make sense to me.

But no less, you answered my question.

EDIT:

except what does this mean. "{$_SERVER['REQUEST_URI']}", 301);"

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Re: Forwarding a sub domain & MISC php question [Re: daytripper05]
    #8648552 -

$_SERVER is an array which is auto-populated by PHP with certain variables pertaining to the server and the current request. $_SERVER['REQUEST_URI'] is basically the string following the domain name. If someone goes to http://www.someurl.com/script.php?var=1&blah=2, then $_SERVER['REQUEST_URI'] will contain '/script.php?var=1&blah=2'. So in my example it forwards you to the same URL you requested, just on a different domain. The curly brackets are necessary when you want to include an array within a string, it could also be written as "Location: https://someurl.net".$_SERVER['REQUEST_URI'] (the period serves as a concatenation operator). Or you could do $uri = $_SERVER['REQUEST_URI']; header("Location: https://someurl.net$uri"); because then $uri is a variable, not an array.

The 301 means to give an HTTP 301 status code which means "moved permanently". It's not strictly required, as the location header is enough to forward the browser. But for web spiders and such it tells them to go directly to the new URL and bypass the old one in the future. 307 is a temporary redirect, which you can use if you may change the redirect and you want spiders to always go through the original page first.

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