<?php
/** DomFramework
    @package domframework
    @author Dominique Fournier <dominique@fournier38.fr> */

require_once ("output.php");
/** Display in CSV the datas provided */
class outputcsv extends output
{
  /** Don't allow to output in CSV if the functions are not available in PHP */
  function __construct ()
  {
    if (!function_exists ("fputcsv"))
        throw new Exception ("CSV support not available in PHP !", 500);
  }

  /** Display in CSV the datas provided
      @param mixed $data The data to be displayed */
  public function out ($data)
  {
    if (!is_array ($data))
      $data = array ($data);
    @header("Cache-Control: no-store, no-cache, must-revalidate");
    @header("Expires: Sat, 26 Jul 1997 05:00:00 GMT");
    @header('Last-Modified: '.gmdate ('D, d M Y H:i:s').' GMT');
    @header('Cache-Control: post-check=0, pre-check=0', false);
    @header('Pragma: no-cache');
    @header ("Content-Type: text/csv");
    // TODO : return $csv
    $out = fopen ('php://output', 'w');
    fputcsv ($out, $data);
    fclose ($out);
  }
}