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<?php
/**
* Bitrix Framework
* @package bitrix
* @subpackage sender
* @copyright 2001-2012 Bitrix
*/
namespace Bitrix\Sender\Internals;
use Bitrix\Main\DB\Result;
/**
* Class DataExport
* @package Bitrix\Sender\Internals
*/
class DataExport
{
/**
* Export to csv.
*
* @param array $columns Columns.
* @param array|Result $list Data list.
* @param callable|null $rowCallback Row callback.
* @return void
*/
public static function toCsv(array $columns, $list, $rowCallback = null)
{
self::flushHeaders();
$eol = "\n";
$columnNames = [];
$isFirstLinePrinted = false;
if (defined('BX_UTF') && BX_UTF)
{
echo chr(239) . chr(187) . chr(191);
}
foreach ($list as $item)
{
if ($rowCallback)
{
$item = call_user_func_array($rowCallback, [$item]);
}
$row = [];
foreach ($columns as $column)
{
if (!array_key_exists($column['id'], $item))
{
continue;
}
if (!$isFirstLinePrinted)
{
$columnNames[] = str_replace('"', '""', $column['name']);
}
$row[] = str_replace('"', '""', trim($item[$column['id']]));
}
if (!$isFirstLinePrinted)
{
echo '"' . implode('";"', $columnNames) . '"';
$isFirstLinePrinted = true;
}
echo $eol;
echo '"' . implode('";"', $row) . '"';
}
exit;
}
protected static function flushHeaders()
{
/** @var $GLOBALS['APPLICATION'] \CAllMain */
$GLOBALS['APPLICATION']->RestartBuffer();
header('Content-Description: File Transfer');
header('Content-Type: text/csv; charset='.LANG_CHARSET);
header('Content-Disposition: attachment; filename=address_list.csv');
header('Content-Transfer-Encoding: binary');
header('Expires: 0');
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
header('Pragma: public');
}
}