22:38:57 Enable Cell Caching using MemoryGZip method<br />22:38:57 Create new PHPExcel object<br />22:38:57 Set properties<br />22:38:57 Add data<br />22:38:57 Hide 'Phone' and 'fax' columns<br />22:38:57 Set outline levels<br />22:38:57 Freeze panes<br />22:38:57 Rows to repeat at top<br />22:38:58 Write to Excel2007 format<br />22:39:00 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.5994 seconds<br />22:39:00 Current memory usage: 27.75 MB<br />22:39:00 Peak memory usage: 31 MB<br />22:39:00 Done writing file<br />File has been created in /var/www/tmcs/vendor/phpoffice/phpexcel/Examples<br />