writeSheetHeader() public method

public writeSheetHeader ( $sheet_name, array $header_types, $suppress_row = false )
$header_types array
<?php

//php test_xlsxwriter.php >out.xlsx
//Generates a spreadsheet with multiple sheets, 10K rows, 10 columns
include_once __DIR__ . '/../xlsxwriter.class.php';
$headers = array('id' => 'string', 'name' => 'string', 'description' => 'string', 'n1' => 'string', 'n2' => 'string', 'n3' => 'string', 'n4' => 'string', 'n5' => 'string', 'n6' => 'string', 'n7' => 'string');
$sheet_names = array('january', 'february', 'march', 'april', 'may', 'june');
$start = microtime(true);
$writer = new XLSXWriter();
foreach ($sheet_names as $sheet_name) {
    $writer->writeSheetHeader($sheet_name, $headers);
    for ($i = 0; $i < 10000; $i++) {
        $writer->writeSheetRow($sheet_name, random_row());
    }
}
$writer->writeToStdOut();
file_put_contents("php://stderr", '#' . floor(memory_get_peak_usage() / 1024 / 1024) . "MB" . "\n");
file_put_contents("php://stderr", '#' . sprintf("%1.2f", microtime(true) - $start) . "s" . "\n");
function random_row()
{
    return $row = array(rand() % 10000, chr(rand(97, 122)) . chr(rand(97, 122)) . chr(rand(97, 122)) . chr(rand(97, 122)) . chr(rand(97, 122)) . chr(rand(97, 122)) . chr(rand(97, 122)), md5(uniqid()), rand() % 10000, rand() % 10000, rand() % 10000, rand() % 10000, rand() % 10000, rand() % 10000, rand() % 10000);
}
<?php

include_once "xlsxwriter.class.php";
$header = array("string", "string", "string", "string", "string");
$row1 = array("Merge Cells Example");
$row2 = array(100, 200, 300, 400, 500);
$row3 = array(110, 210, 310, 410, 510);
$sheet_name = 'Sheet1';
$writer = new XLSXWriter();
$writer->writeSheetHeader($sheet_name, $header, $suppress_header_row = true);
$writer->writeSheetRow($sheet_name, $row1);
$writer->writeSheetRow($sheet_name, $row2);
$writer->writeSheetRow($sheet_name, $row3);
$writer->markMergedCell($sheet_name, $start_row = 0, $start_col = 0, $end_row = 0, $end_col = 4);
$writer->writeToFile('example.xlsx');
<?php

include_once "xlsxwriter.class.php";
$writer = new XLSXWriter();
$writer->writeSheetHeader('Sheet1', array('c1' => 'string', 'c2' => 'string', 'c3' => 'string', 'c4' => 'string'));
//optional
for ($i = 0; $i < 50000; $i++) {
    $writer->writeSheetRow('Sheet1', array(rand() % 10000, rand() % 10000, rand() % 10000, rand() % 10000));
}
$writer->writeToFile('output.xlsx');
echo '#' . floor(memory_get_peak_usage() / 1024 / 1024) . "MB" . "\n";