03:37:42 Enable Cell Caching using MemoryGZip method<br />03:37:42 Create new PHPExcel object<br />03:37:42 Set properties<br />03:37:42 Add data<br />03:37:42 Hide 'Phone' and 'fax' columns<br />03:37:42 Set outline levels<br />03:37:42 Freeze panes<br />03:37:42 Rows to repeat at top<br />03:37:44 Write to Excel2007 format<br />03:37:48 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 4.0872 seconds<br />03:37:48 Current memory usage: 27.75 MB<br />03:37:48 Peak memory usage: 31 MB<br />03:37:48 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />