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Posted By

DaveChild on 09/11/08


Tagged

querystring


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DaveChild


PHP Add and Remove Querystring Variables

Published in: PHP 

URL: http://www.addedbytes.com/php/querystring-functions/

Embed | Plain TextExpand 
  1. function add_querystring_var($url, $key, $value) {
  2.     $url = preg_replace('/(.*)(\?|&)' . $key . '=[^&]+?(&)(.*)/i', '$1$2$4', $url . '&');
  3.     $url = substr($url, 0, -1);
  4.     if (strpos($url, '?') === false) {
  5.         return ($url . '?' . $key . '=' . $value);
  6.     } else {
  7.         return ($url . '&' . $key . '=' . $value);
  8.     }
  9. }
  10.  
  11. function remove_querystring_var($url, $key) {
  12.     $url = preg_replace('/(.*)(\?|&)' . $key . '=[^&]+?(&)(.*)/i', '$1$2$4', $url . '&');
  13.     $url = substr($url, 0, -1);
  14.     return ($url);
  15. }

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