PHP: CSV export from MySql to output

csv-export.php

<?
    $out = '';
    $fields = dibi::fetchAll("SHOW COLUMNS FROM web_application");
    foreach ($fields as $field)
    {
    $out .= '"'.$field->Field.'";';
    }
    $out = rtrim($out, ';');
    $out .= PHP_EOL;
    foreach ($this->model->csvExport() as $index => $row)
    {
    foreach ($row as $r)
    {
    $out .='"'.$r.'";';
    }
    $out = rtrim($out, ';');
    $out .= PHP_EOL;
    }
    $out = iconv('utf-8', 'windows-1250', $out);
    $filename = 'application-export___' . date('YmdHis') . '.csv';
    header('Content-Encoding: windows-1250');
    header('Content-type: text/csv; charset=windows-1250');
    header('Content-Disposition: attachment; filename=' . $filename);
    //echo "\xEF\xBB\xBF"; // UTF-8 BOM
    echo $out;
    exit(0);
    $this->view->setTemplateFile('modules/application/csv.php');