<?php

namespace Export;

/**
 * ExportDataTSV - Exports to TSV (tab separated value) format.
 */
class ExportDataTSV extends ExportData
{
    public function generateRow($row)
    {
        foreach ($row as $key => $value) {
            // Escape inner quotes and wrap all contents in new quotes.
            // Note that we are using \" to escape double quote not ""
            $row[$key] = '"'.str_replace('"', '\"', $value).'"';
        }

        return implode("\t", $row)."\n";
    }

    public function sendHttpHeaders()
    {
        header('Content-type: text/tab-separated-values');
        header('Content-Disposition: attachment; filename='.basename($this->filename));
    }
}