23:07:56 Create new PHPExcel object<br />23:07:56 Set properties<br />23:07:56 Add data<br />23:07:56 Hide 'Phone' and 'fax' columns<br />23:07:56 Set outline levels<br />23:07:56 Freeze panes<br />23:07:56 Rows to repeat at top<br />23:07:56 Write to Excel2007 format<br />23:07:56 File written to 06largescale.xlsx<br />Call time to write Workbook was 0.4431 seconds<br />23:07:56 Current memory usage: 22 MB<br />23:07:56 Peak memory usage: 26 MB<br />23:07:56 Done writing file<br />File has been created in /var/www/html/preuc/vendor/phpoffice/phpexcel/Examples<br />