20:32:18 Enable Cell Caching using MemoryGZip method<br />20:32:18 Create new PHPExcel object<br />20:32:18 Set properties<br />20:32:18 Add data<br />20:32:18 Hide 'Phone' and 'fax' columns<br />20:32:18 Set outline levels<br />20:32:18 Freeze panes<br />20:32:18 Rows to repeat at top<br />20:32:21 Write to Excel2007 format<br />20:32:27 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 5.7279 seconds<br />20:32:27 Current memory usage: 23.5 MB<br />20:32:27 Peak memory usage: 26.75 MB<br />20:32:27 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />