18:41:42 Enable Cell Caching using MemoryGZip method<br />18:41:42 Create new PHPExcel object<br />18:41:42 Set properties<br />18:41:42 Add data<br />18:41:42 Hide 'Phone' and 'fax' columns<br />18:41:42 Set outline levels<br />18:41:42 Freeze panes<br />18:41:42 Rows to repeat at top<br />18:41:43 Write to Excel2007 format<br />18:41:45 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.4206 seconds<br />18:41:45 Current memory usage: 23.75 MB<br />18:41:45 Peak memory usage: 26.75 MB<br />18:41:45 Done writing file<br />File has been created in /var/www/tmcs/vendor/phpoffice/phpexcel/Examples<br />