source: branches/rsr.v5.1.1/web/app/out/dist/utils.php @ 8

<?php

  function url_amps($url)
  { return str_replace("&", "&amp;", $url);
  }

  function navig($current, $total, $max, $base_url, $start_param, $legende = null)
  { $navig = "";
    if($total > $max)
    { if(isset($legende))
          { $navig .=
             $legende." ".($current + 1)." &agrave; "
            .(($current + $max) > $total ? $total : $current + $max)
                ." sur ".$total." - aller &agrave; la ";
          }
          $get_params = array();
      if(($q = strpos($base_url, "?")) !== false)
          { $v_query = explode("&", substr($base_url, $q + 1));
        $base_url = substr($base_url, 0, $q);
        foreach($v_query as $query)
        { if($query)
                  { $v = explode("=", $query);
            $get_params[$v[0]] = $v[1];
          }
        }
          }
      if(isset($get_params[$start_param])) unset($get_params[$start_param]);
      $base_url .= "?";
      foreach($get_params as $key => $value) $base_url .= $key."=".$value."&";
          $nb_pages = ceil($total / $max);
          $navig .=
           "page : "
          ."<select onchange=\"document.location=this.options[this.selectedIndex].value;\">\n";
      $np = 1;
      $ni = 0;
      while($ni < $total)
          { $navig .=
         "  <option value=\"".$base_url.$start_param."=".$ni."\"".($current >= $ni && $current <= $ni ? " SELECTED" : "").">"
                .$np
                ."</option>\n";
        $np++;
        $ni += $max;
          }
      $navig .=
           "</select>\n";
      if($current >= $max)
          { $navig .=
          "&nbsp;&nbsp;<a href=\"".$base_url.$start_param."=".($current - $max)."\">&lt;&lt;</a>\n";
          }
      if($current < $total - $max)
          { $navig .=
          "&nbsp;&nbsp;<a href=\"".$base_url.$start_param."=".($current + $max)."\">&gt;&gt;</a>\n";
          }
        }
    return $navig;
  }

  function order_link($env, $text, $order_by, $base_url)
  { $get_params = array();
    if(($q = strpos($base_url, "?")) !== false)
        { $v_query = explode("&", substr($base_url, $q + 1));
      $base_url = substr($base_url, 0, $q);
      foreach($v_query as $query)
      { if($query)
            { $v = explode("=", $query);
          $get_params[$v[0]] = $v[1];
        }
      }
    }
    if(isset($get_params[$env->param("order_by")])) unset($get_params[$env->param("order_by")]);
    if(isset($get_params[$env->param("order")])) unset($get_params[$env->param("order")]);
    $base_url .= "?";
    foreach($get_params as $key => $value) $base_url .= $key."=".$value."&";
    if(substr($base_url, -1) === "&") $base_url = substr($base_url, 0, -1);
    $order_params = "";
    $order_img = "";
        if($order_by === $env->order_by)
    { if($env->order === "ASC")
      { $order_params = $env->param("order_by")."=".$order_by."&".$env->param("order")."=DESC";
        $order_img = "<img src=\"icons/asc.gif\" >";
          }
      elseif($env->order === "DESC")
          { $order_img = "<img src=\"icons/desc.gif\" >";
          }
        }
        else
        { $order_params = $env->param("order_by")."=".$order_by."&".$env->param("order")."=ASC";
        }
    return "<a href=\"".$base_url.($order_params ? "&".$order_params : "")."\">".$text."</a>&nbsp;".$order_img;
  }

  function is_date($date)
  { return ereg("^[0-9][0-9][0-9][0-9]-[0-9]{1,2}-[0-9]{1,2}$", $date);
  }

  function is_num($num)
  { $num = str_replace(array(",", " "), array(".", ""), $num);
    $v_num = explode(".", $num);
    if(count($v_num) > 2) return false;
    $OK = true;
        for($n = 0; $n < count($v_num) && $OK; $n++) $OK = ereg("^[0-9]+$", $v_num[$n]);
    return $OK ? $num : false;
  }

  function date_texte($moment)
  { $moment = explode("-", $moment);
    return jour_semaine($moment[0], $moment[1], $moment[2])." ".(0 + $moment[0])." ".mois(0 + $moment[1])." ".$moment[2];
  }

  function jour_semaine($jour, $mois, $annee)
  { switch(date("N", mktime(1, 0, 0, 0 + $mois, 0 + $jour, 0 + $annee)))
    { case 1: return "lundi";
      case 2: return "mardi";
      case 3: return "mercredi";
      case 4: return "jeudi";
      case 5: return "vendredi";
      case 6: return "samedi";
      case 7: return "dimanche";
        }
  }

  function mois($mois)
  { switch($mois)
    { case 1:  return "janvier";
      case 2:  return "fevrier";
      case 3:  return "mars";
      case 4:  return "avril";
      case 5:  return "mai";
      case 6:  return "juin";
      case 7:  return "juillet";
      case 8:  return "ao&ucirc;t";
      case 9:  return "septembre";
      case 10: return "octobre";
      case 11: return "novembre";
      case 12: return "decembre";
        }
        return "?";
  }

  function resume($content, $n)
  { if($n)
    { $v_content = explode(" ", $content);
      if(count($v_content) > $n)
      { $_content = "";
        for($i = 0; $i <= $n; $i++) $_content .= $v_content[$i]." ";
                return $_content." (...)";
          }
    }
    return $content;
  }

  function js_str($content)
  { return str_replace
    ( array("\"", "\r", "\n"),
      array("\\\"", "\\r", "\\n"),
      $content
        );
  }

  function js_str_nocrlf($content)
  { return str_replace
    ( array("\"", "\r", "\n"),
      array("\\\"", " ", " "),
      $content
        );
  }

  function img_size($file, $max_width, $max_height)
  { $img_infos = @getimagesize($file);
    $img_size = array();
    if($img_infos)
    { if($img_infos[0] > $max_width || $img_infos[1] > $max_height)
      { $r = $max_width / $img_infos[0];
        if($r * $img_infos[1] > $max_height) $r = $max_height / $img_infos[1];
        return array
        ( "width" => floor($r * $img_infos[0]),
          "height" => floor($r * $img_infos[1]) 
        );
      }
      return array
      ( "width" => $img_infos[0],
        "height" => $img_infos[1] 
      );
    }
    return false;
  }

?>