<?php

  class mw_data_utils extends mw_data{

    function eq($content){
      return isset($content) ? "'".str_replace("'", "\'", $content)."'" : "NULL";
    }

    function ordonne($list, $key, $order = "ASC"){
      $values = array_values($list);
      $maximum = count($values);
      while($maximum > 0){
        $maximumTemporaire = 0;
        for($i = 0; $i < $maximum; $i++){
          if(
               (isset($values[$i + 1]) && $order == "ASC" && $values[$i][$key] > $values[$i + 1][$key])
            || (isset($values[$i + 1]) && $order == "DESC" && $values[$i][$key] < $values[$i + 1][$key])
          ){
            $tmp = $values[$i];
            $values[$i] = $values[$i + 1];
            $values[$i + 1] = $tmp;
            $maximumTemporaire = $i + 1;
          }
        }
        $maximum = $maximumTemporaire;
      }
      $res = array();
      foreach($values as $value) if($value["id"]) $res[$value["id"]] = $value;
      return $res;
    }

    function upload($image, $upload_dir){
      $file = "";
      $upload_dir .= $upload_dir && (substr($upload_dir, -1) != "/") ? "/" : "";
      if($_FILES){
        if(isset($_FILES[$image])){
          if($_FILES[$image]["error"] == UPLOAD_ERR_OK){
            if(move_uploaded_file($_FILES[$image]["tmp_name"], $upload_dir.$_FILES[$image]["name"])){
              $file = $_FILES[$image]["name"];
            }
            else $file = false;
          }
          else if($_FILES[$image]["error"] != UPLOAD_ERR_NO_FILE) $file = false;
        }
        else $file = false;
      }
      return $file;
    }

  }

?>