22:18:21 Create new PHPExcel object<br />22:18:21 Set properties<br />22:18:21 Add data<br />22:18:21 Hide 'Phone' and 'fax' columns<br />22:18:21 Set outline levels<br />22:18:21 Freeze panes<br />22:18:21 Rows to repeat at top<br />22:18:21 Write to Excel2007 format<br />22:18:21 File written to 06largescale.xlsx<br />Call time to write Workbook was 0.5330 seconds<br />22:18:21 Current memory usage: 17.5 MB<br />22:18:21 Peak memory usage: 20.25 MB<br />22:18:21 Done writing file<br />File has been created in /home/factovizjh/dataviz/vendor/phpoffice/phpexcel/Examples<br />