07:21:11 Enable Cell Caching using MemoryGZip method<br />07:21:11 Create new PHPExcel object<br />07:21:11 Set properties<br />07:21:11 Add data<br />07:21:11 Hide 'Phone' and 'fax' columns<br />07:21:11 Set outline levels<br />07:21:11 Freeze panes<br />07:21:11 Rows to repeat at top<br />07:21:12 Write to Excel2007 format<br />07:21:14 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.8338 seconds<br />07:21:14 Current memory usage: 23 MB<br />07:21:14 Peak memory usage: 26.75 MB<br />07:21:14 Done writing file<br />File has been created in /var/www/hobn/vendor/phpoffice/phpexcel/Examples<br />