<?php

/** DomFramework
  * @package domframework
  * @author Dominique Fournier <dominique@fournier38.fr>
  * @license BSD
  */

namespace Domframework;

/** Display in CSV the data provided
  */
class Outputcsv extends Output
{
    /** Don't allow to output in CSV if the functions are not available in PHP */
    public function __construct()
    {
        if (!function_exists("fputcsv")) {
            throw new \Exception("CSV support not available in PHP !", 500);
        }
    }

    /** Display in CSV the data 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
        $out = fopen('php://output', 'w');
        if (! is_array($data[0])) {
            $data = array($data);
        }
        foreach ($data as $vals) {
            fputcsv($out, $vals);
        }
        fclose($out);
        if (!defined("PHPUNIT")) {
            exit;
        }
    }
}