check if query string exists

[akurtula]

hi

 

I am wondering if there is way of checking if a query string exists (without any other string)

 

for example:

 

http://site.com?value=string&value2=string

 

i can check if the string exits:

 

if($_GET[value] == true && $_GET[value2] == false){
//perfect
}

 

however, there are a lot of combinations where "value" strings apears.

so is there a way of checking if ONLY one string exists?

 

hope you can help

 

thanks

Edited October 30, 2010 by akurtula

[falkencreative]

Seems like you could do this by counting the number of items in the $_GET array. For example:

 

if (isset($_GET['value']) && count($_GET) == 1)

{

// continue

}

[akurtula]

 

thanks a lot thats really helpful and easier to understand than some other solutions at the php manual

[mithunsingh]

I have tried checking Request["foo"] as well as Request.QueryString["foo"] and I get null for both. I have also tried populating a List with the values from the QueryString collection but as I mention below, it does not include the value.

Edited November 13, 2010 by falkencreative
Link Deleted - No Spam Please (and, btw, 'professional' is spelled with ONE f, only)

[falkencreative]

@Mithun

What language are you using? That looks like ASP, and we are talking about PHP in this thread. It's quite possible that you won't be able to use a PHP way of doing things with ASP code.