10:44:02 Create new PHPExcel object<br />10:44:02 Set properties<br />10:44:02 Add data<br />10:44:02 Hide 'Phone' and 'fax' columns<br />10:44:02 Set outline levels<br />10:44:02 Freeze panes<br />10:44:02 Rows to repeat at top<br />10:44:02 Write to Excel2007 format<br />10:44:02 File written to 06largescale.xlsx<br />Call time to write Workbook was 0.1951 seconds<br />10:44:02 Current memory usage: 20 MB<br />10:44:02 Peak memory usage: 24 MB<br />10:44:02 Done writing file<br />File has been created in /home/autourdey/invoice/vendor/phpoffice/phpexcel/Examples<br />