19:23:45 Enable Cell Caching using MemoryGZip method<br />19:23:45 Create new PHPExcel object<br />19:23:45 Set properties<br />19:23:45 Add data<br />19:23:45 Hide 'Phone' and 'fax' columns<br />19:23:45 Set outline levels<br />19:23:45 Freeze panes<br />19:23:45 Rows to repeat at top<br />19:23:46 Write to Excel2007 format<br />19:23:49 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.4410 seconds<br />19:23:49 Current memory usage: 20 MB<br />19:23:49 Peak memory usage: 26 MB<br />19:23:49 Done writing file<br />File has been created in /var/www/html/test/public/vendor/phpoffice/phpexcel/Examples<br />