Change URL using PHP without removing the existing variables

Question

How can i change the URL using PHP, I asked this question before but i didn't receive any answer . so this is my problem i want to add a pagination to my index page ,but in index page i have some icons that's filter some products , so the URL can be like that

www.mywebsite.com?id=66

so the problem is when i click on next (pagination) the URL instead of this

www.mywebsite.com?id=66&page=2

i get this

www.mywebsite.com?page=2

so my question is how can i add that parm the URL without removing the existing one using PHP because i tried with JavaScript but i didn't success .

php outputs whatever you tell it to. it doesn't know what html is, nor does it care. if you want a url's query parameters to be preserved when PHP outputs an <a> link, then you have to put them in there yourself. — Marc B
– Marc B, Commented Sep 17, 2014 at 19:31

Community · Accepted Answer · 2017-05-23 12:21:40Z

1

I think you want to use http_build_query

Example:

http_build_query(array_merge($_GET, array('newVariable'=>'someValue')))

Also - possible duplicate of Manipulate a url string by adding GET parameters

edited May 23, 2017 at 12:21

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answered Sep 17, 2014 at 19:34

elzi

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2 Comments

didyeg Over a year ago

how can i make this code work ** if ($page > 1) $pagination.= "<li><a href='{$url}page={$prev}'>{$prevlabel}</a></li>"; **

elzi Over a year ago

I don't know what values those variables have, what the implementation is, or an explanation of how it is not working. I can't read your mind. It looks like you're generating a string from a couple different variables, under the condition $page, which I assume is an integer, is greater than 1. Where are you rendering it? So little information. Here's an article on PHP debugging I think you could benefit from: blog.teamtreehouse.com/how-to-debug-in-php

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