06:28:35 Enable Cell Caching using MemoryGZip method<br />06:28:35 Create new PHPExcel object<br />06:28:35 Set properties<br />06:28:35 Add data<br />06:28:35 Hide 'Phone' and 'fax' columns<br />06:28:35 Set outline levels<br />06:28:35 Freeze panes<br />06:28:35 Rows to repeat at top<br />06:28:37 Write to Excel2007 format<br />06:28:41 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 4.2701 seconds<br />06:28:41 Current memory usage: 27 MB<br />06:28:41 Peak memory usage: 30.5 MB<br />06:28:41 Done writing file<br />File has been created in /var/www/html/onswitch.neon/vendor/phpoffice/phpexcel/Examples<br />