<?php

  class mw_env_urls extends mw_env{

    public $additional_get_params;

    public function init_additional_get_params(){
      $this->additional_get_params = array();
      $_params = $_SERVER["QUERY_STRING"];
      $v_params = explode("&", $_params);
      foreach($v_params as $param){
        if($param){
          $key = strpos($param, "=") === false ? $param : substr($param, 0, strpos($param, "="));
          $value = strpos($param, "=") === false ? "" : substr($param, strpos($param, "=") + 1);
          if(!$this->is_a_param($key)) $this->additional_get_params[$key] = $value;
        }
      }
    }

    public function is_a_param($key){
      foreach($this->get_PARAMS() as $_key => $_value) if(strcmp($key, $_value) == 0) return true;
      return false;
    }

    public function url($action = "", $_params = array(), $script_name = null){
      $script_name = isset($script_name) ? $script_name : ($this->config("script_name") ? $this->config("script_name") : "index.php");
      if($action) $_params["e"] = $action;
      $get_params = "";
      if(isset($this->additional_get_params)) foreach($this->additional_get_params as $key => $value) $get_params .= ($get_params ? "&amp;" : "?").$key."=".$value;
      foreach($_params as $key => $value) $get_params .= ($get_params ? "&amp;" : "?").$this->param($key)."=".$value;
      return $this->path("web").$script_name.$get_params;
    }

    public function redirect($url, $message, $wait = 1){
      $this->set_etat("reponses/html/redirect_javascript", false);
      $this->set_out(
        "redirect",
        array(
          "url" => str_replace("&amp;", "&", $url),
          "message" => $message,
          "wait" => $wait
        )
      );
      if(!headers_sent()){
        if($wait){
          if(function_exists("header_remove")) header_remove("Location");
        }
        else header("Location: ".str_replace("&amp;", "&", $url));
      }
    }

  }