PHP remove querystring from url

Question

I am building a website and I have come across something that I do not know how to do.

I have a link on every page that members of my website can click, and when they do it takes them to the same page with a query on the end, and a confirmation link like;

/contact?tab=hotlink

Now on this page is a hidden form and a confirm button, I was going to use $_SERVER['HTTP_REFERER'], but the previous url is /contact?tab=hotlink and I need it to be...

/contact

Is there a way to string replace all of the query, I could do it with sessions, but would rather do it another way as it would mean setting alot of unnessessary sessions.

Thanks

Rijk · Accepted Answer · 2011-08-31 07:51:15Z

3

The querystring is in

$_SERVER['QUERY_STRING']

So

str_replace( $_SERVER['QUERY_STRING'], '', $_SERVER['HTTP_REFERER'] )

should give you the request without the query string.

answered Aug 31, 2011 at 7:51

Rijk

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Comments

Jeff Puckett · Accepted Answer · 2015-12-14 01:13:16Z

2

Use the php explode function to extract the base url from the referer by splitting the string on the ?:

$http_referer_full_url = explode("?", $_SERVER["HTTP_REFERER"]);
$http_referer_base_url = $http_referer_full_url[0];

@Rijk's answer doesn't work because $_SERVER['QUERY_STRING'] in the example refers to the script currently executing, not the query string from the referrer page.

edited Dec 14, 2015 at 1:13

answered Dec 14, 2015 at 0:07

Jeff Puckett

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Jens Roland · Accepted Answer · 2011-08-31 07:51:37Z

0

Usually you wouldn't do a page refresh and a querystring for that - you would link to a #hashed url instead, like this:

<a href="/contact#tab=hotlink">Hotlink</a>

You'd then use a Javascript handler to catch the hashchange event (which doesn't require a page refresh, so it is much faster) and dynamically load/display whatever you need on the 'hotlink' tab.

That way, the server wou't even be involved and your pages will be a lot more responsive.

answered Aug 31, 2011 at 7:51

Jens Roland

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2 Comments

carlgcode Over a year ago

And if javascript is disabled?

Jens Roland Over a year ago

If you are very concerned about the tiny fraction of no-js users out there, you will need to jump through some hoops, of course. You could degrade the functionality in plenty of ways - use the body class='no-js' trick with css, or inject the #hashes with Javascript, for example

Galen · Accepted Answer · 2011-08-31 08:26:26Z

0

You can use $_SERVER['SCRIPT_NAME'] for this

answered Aug 31, 2011 at 8:26

Galen

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