08:08:53 Enable Cell Caching using MemoryGZip method<br />08:08:53 Create new PHPExcel object<br />08:08:53 Set properties<br />08:08:53 Add data<br />08:08:53 Hide 'Phone' and 'fax' columns<br />08:08:53 Set outline levels<br />08:08:53 Freeze panes<br />08:08:53 Rows to repeat at top<br />08:08:53 Write to Excel2007 format<br />08:08:55 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.8059 seconds<br />08:08:55 Current memory usage: 24.25 MB<br />08:08:55 Peak memory usage: 27 MB<br />08:08:55 Done writing file<br />File has been created in /var/www/hobn/vendor/phpoffice/phpexcel/Examples<br />