13:35:56 Write to Excel2007 format<br />13:35:56 File written to 33chartcreate-multiple-charts.xlsx<br />13:35:56 Peak memory usage: 12 MB<br />13:35:56 Done writing file<br />File has been created in /home/ykcomq5/hrm.ykcs.net/vendor/phpoffice/phpexcel/Examples<br />