PHP create link using already set url variables [duplicate]

Question

i want to create a link like the below:

<a href="'.$_SERVER["REQUEST_URI"].'?&action=approve&holiday='.$result["sequence"].'">

the $_SERVER["REQUEST_URI"] includes any $_GET variables already set, but i am not sure whether to put a ? or & after this in the href because $_SERVER["REQUEST_URI"] could already include a $_GET variable therefore it would need & and not a ?

I think you would have to check $_SERVER["REQUEST_URI"] content, in order to see if it already contains any GET variables. For example: if ($_SERVER["REQUEST_URI"] contains '?') then you use "&" to include your content, if not then you can use "?". Something like that? — Guilherme Vaz
– Guilherme Vaz, Commented Jul 28, 2016 at 18:46
See this previous post stackoverflow.com/questions/7864237/… — user5348307
– user5348307, Commented Jul 28, 2016 at 18:47

Mojtaba · Accepted Answer · 2016-07-28 19:07:38Z

1

Check if it includes '?' or not.

$extra = 'action=approve&holiday='.$result["sequence"];
$glue = (strpos($_SERVER["REQUEST_URI"], '?') === false) '?' : '&';

Then, you can use this:

 echo '<a href="'.$_SERVER["REQUEST_URI"]. $glue . extra .'">';

But, if you don't need the current passed parameters in URL, you can use the way @Utkanos said

edited Jul 28, 2016 at 19:07

answered Jul 28, 2016 at 18:50

Mojtaba

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1 Comment

Guilherme Vaz Over a year ago

Exactly what I thought :)

Mitya · Accepted Answer · 2016-07-28 18:50:15Z

0

You need to build the URL in parts. All of the data you need is contained in the $_SERVER superglobal.

$_SERVER['REQUEST_SCHEMA'].'://'.$_SERVER['HTTP_HOST'].$_SERVER['PHP_SELF'].'?'//...

PHP_SELF denotes the URI beyond the hostname, e.g. "/foo/bar.htm" in "mydomain.com/foo/bar.htm"

http://php.net/manual/en/reserved.variables.server.php

answered Jul 28, 2016 at 18:50

Mitya

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