"Adding additional information to a URL that was previously included?" I apologize for the confusing title, but I can't find a better way to phrase it.
Perhaps an example will make things clearer.
Let's say I have URL 1:
http://example.com/?value=xyz&stuff=abcIf someone clicks on a link within the page, is it possible to retain the appended values?
For instance:
http://www.example.org/?value=xyz&stuff=abcThank you and sorry for my lack of experience.
What you're inquiring about are the appendages that make up the query section of a URI:
<scheme>://<authority><path>?<query>
foo://example.com:8042/over/there?name=ferret#nose
\_/ \______________/\_________/ \_________/ \__/
| | | | |
scheme authority path query fragment
Quoted from: 3. Syntax Components (RFC 3986) https://www.rfc-editor.org/rfc/rfc3986#page-16
To include an optional <query> in an existing
<scheme>://<authority><path><fragment> portion in this example:
function href_append_query($href)
{
$query = isset($_SERVER['QUERY_STRING'])
? '?' . $_SERVER['QUERY_STRING']
: ''
;
$query = strtr(
$query, [
'"' => '"',
"'" => ''',
'&' => '&'
]
);
return $href . $query;
}
Here's how you can use it:
<a href="<?=href_append_query('http://step2.com/')?>Some link</a>
This simple function ensures that the QUERY_STRING, which can be accessed through $_SERVERDocs, is properly encoded for HTML output.
To include query strings in links created with PHP, simply add the original query string to the URL:
<a href="http://example.com/?<?php echo $_SERVER['QUERY_STRING']; ?>">Click here</a>
For JavaScript, append window.location.search to the links needing the query string passed along.
An alternate approach is to employ JavaScript/jquery to attach the current query string to all links on the webpage:
$(function() {
$('a').each(function() {
link = $(this).attr('href');
query = window.location.search;
if (link.indexOf('?') !== -1 && query !== '') {
query = query.replace('?','&');
}
$(this).attr('href',link+query);
});
});
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