Convert a url data in to Name Value Pairs array PHP

Convert a url data in to Name Value Pairs array.

/** Convert a url data in to Name Value Pairs array
 * @param url The url and the data string
 * @return array of named value pairs
 */
function urlToNvp($url)
{
   $output = array();
   
   $questionmark = strpos($url, '?');
   if ($questionmark !== false)
   {
      $url = substr($url, $questionmark+1, strlen($url));
   }   
   
   foreach(explode('&', $url) as $data)
   {
      $value = explode('=', $data);
      $output[$value[0]] = $value[1];
   }
      
   return $output;
}

Here are three examples of using this function

print_r(urlToNvp("www.example.co.uk?p1=one&p2=two"));
print_r(urlToNvp("p1=one&p2=two"));
print_r(urlToNvp("www.example.co.uk?p1=one"));

The result

Array ( [p1] => one [p2] => two )
Array ( [p1] => one [p2] => two )
Array ( [p1] => one )

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