12:23:16 Create new PHPExcel object<br />12:23:16 Set properties<br />12:23:16 Add data<br />12:23:16 Hide 'Phone' and 'fax' columns<br />12:23:16 Set outline levels<br />12:23:16 Freeze panes<br />12:23:16 Rows to repeat at top<br />12:23:16 Write to Excel2007 format<br />12:23:16 File written to 06largescale.xlsx<br />Call time to write Workbook was 0.2064 seconds<br />12:23:16 Current memory usage: 20 MB<br />12:23:16 Peak memory usage: 24 MB<br />12:23:16 Done writing file<br />File has been created in /home/autourdey/invoice/vendor/phpoffice/phpexcel/Examples<br />