How to modify the parameter value of a URL parameter? Are you going to take it apart and spell it back?

How can I modify the parameter value of a parameter of a URL? Are you going to take it apart and spell it back?
So how do you modify the parameter value of a URL parameter? Are you going to take it apart and spell it back?
Http://127.0.0.1/myo/newuser.php?mod=search&type=fastone
For example, now I want to modify mod=new
How do you do it?

------Solution--------------------
Send a request to change the bird,
Only in this way.
$mod = $_get[' mod ');
if ($mod = = ' Search ') {
$mod = ' new ';
}

If a string can be

HTML Code

            
  
                              
------Solution--------------------
Simple point, you can write this:

  
  
  

   
   
   PHP Code
   
   
   
$url = ' Http://127.0.0.1/myo/newuser.php?mod=search&type=fastone '; $url _arr=parse_url ($url);p Arse_str ($url _ Arr[query], $arr); $arr [mod]= ' new '; Echo ' http://'. $url _arr[host]. $url _arr[path]. '? '. Http_build_query ($arr);
