09:02:28 Enable Cell Caching using MemoryGZip method<br />09:02:28 Create new PHPExcel object<br />09:02:28 Set properties<br />09:02:28 Add data<br />09:02:28 Hide 'Phone' and 'fax' columns<br />09:02:28 Set outline levels<br />09:02:28 Freeze panes<br />09:02:28 Rows to repeat at top<br />09:02:29 Write to Excel2007 format<br />09:02:31 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.8418 seconds<br />09:02:31 Current memory usage: 24.25 MB<br />09:02:31 Peak memory usage: 27 MB<br />09:02:31 Done writing file<br />File has been created in /var/www/hobn/vendor/phpoffice/phpexcel/Examples<br />