08:49:36 Enable Cell Caching using MemoryGZip method<br />08:49:36 Create new PHPExcel object<br />08:49:36 Set properties<br />08:49:36 Add data<br />08:49:36 Hide 'Phone' and 'fax' columns<br />08:49:36 Set outline levels<br />08:49:36 Freeze panes<br />08:49:36 Rows to repeat at top<br />08:49:37 Write to Excel2007 format<br />08:49:38 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.6531 seconds<br />08:49:38 Current memory usage: 23.25 MB<br />08:49:38 Peak memory usage: 26.75 MB<br />08:49:38 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />