13:23:05 Write to Excel2007 format<br />13:23:05 File written to 33chartcreate-multiple-charts.xlsx<br />13:23:05 Peak memory usage: 4 MB<br />13:23:05 Done writing file<br />File has been created in /home/factovizjh/podcast/vendor/phpoffice/phpexcel/Examples<br />