<?php

set_include_path( get_include_path().PATH_SEPARATOR."..");

include_once("xlsxwriter.class.php");



$header = array('c1'=>'integer','c2'=>'integer','c3'=>'integer','c4'=>'integer');



$writer = new XLSXWriter();

$writer->writeSheetHeader('Sheet1', $header);

for($i=0; $i<250000; $i++)

{

    $writer->writeSheetRow('Sheet1', array(rand()%10000,rand()%10000,rand()%10000,rand()%10000) );

}

$writer->writeToFile('xlsx-numbers-250k.xlsx');

echo '#'.floor((memory_get_peak_usage())/1024/1024)."MB"."\n";

