02:35:17 Enable Cell Caching using MemoryGZip method<br />02:35:17 Create new PHPExcel object<br />02:35:17 Set properties<br />02:35:17 Add data<br />02:35:17 Hide 'Phone' and 'fax' columns<br />02:35:17 Set outline levels<br />02:35:17 Freeze panes<br />02:35:17 Rows to repeat at top<br />02:35:18 Write to Excel2007 format<br />02:35:21 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.4315 seconds<br />02:35:21 Current memory usage: 20 MB<br />02:35:21 Peak memory usage: 26 MB<br />02:35:21 Done writing file<br />File has been created in /var/www/html/test/public/vendor/phpoffice/phpexcel/Examples<br />