07:30:43 Enable Cell Caching using MemoryGZip method<br />07:30:43 Create new PHPExcel object<br />07:30:43 Set properties<br />07:30:43 Add data<br />07:30:43 Hide 'Phone' and 'fax' columns<br />07:30:43 Set outline levels<br />07:30:43 Freeze panes<br />07:30:43 Rows to repeat at top<br />07:30:46 Write to Excel2007 format<br />07:30:51 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 4.5373 seconds<br />07:30:51 Current memory usage: 27 MB<br />07:30:51 Peak memory usage: 30.5 MB<br />07:30:51 Done writing file<br />File has been created in /var/www/html/onswitch.neon/vendor/phpoffice/phpexcel/Examples<br />