<?php if (!defined('PmWiki')) exit();
/**
  Parmset - Provide access to the current requests in the URL as a page variable
  Written by (c) Randy Brown 2015 
  
  This text is written for PmWiki; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published
  by the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version. See pmwiki.php for full details
  and lack of warranty.
*/
# Version date

$RecipeInfo['Parmset']['Version'] = '20150803';

## Currently does not handle backslashes
function getSetOfParmsAsString() {
	## make sure all parms are unique, by using last encountered
	$numparms = 0;
	foreach ($_GET as $var => $value) {	
		if (strcmp($var,"n") != 0) {	
			$parms["$var"]=$value;
			$numparms = $numparms + 1 ;
		}
	}
	if ($numparms > 0) {
		foreach ($parms as $var => $value) {
			if (strlen($value) > 0) {		
				$s = $s."?$var=".$value; 
			}
		} 
	}
	$returnvalue = PUE($s);
	## Somehow backslashes get inserted (not by PUE) to escape % and apostrophes. Remove them.
	## We also need to encode any "#" in case trail is based on an anchored section.
	$returnvalue = str_replace("#", "%23",PSS($returnvalue));
        return str_replace("\%", "%",$returnvalue);
}
$FmtPV['$parmset'] = '"'. addslashes(getSetOfParmsAsString()) . '"'; # quote to prevent PHP code injection