19:27:23 Write to Excel2007 format<br />19:27:23 File written to 33chartcreate-multiple-charts.xlsx<br />19:27:23 Peak memory usage: 6 MB<br />19:27:23 Done writing file<br />File has been created in /var/www/clients/client109/web531/web/typo3conf/ext/dslcontex_bak/Classes/Controller/phpexcel/Tests<br />