18:36:42 Enable Cell Caching using MemoryGZip method<br />18:36:42 Create new PHPExcel object<br />18:36:42 Set properties<br />18:36:42 Add data<br />18:36:42 Hide 'Phone' and 'fax' columns<br />18:36:42 Set outline levels<br />18:36:42 Freeze panes<br />18:36:42 Rows to repeat at top<br />18:36:43 Write to Excel2007 format<br />18:36:45 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.1987 seconds<br />18:36:45 Current memory usage: 20 MB<br />18:36:45 Peak memory usage: 26 MB<br />18:36:45 Done writing file<br />File has been created in /var/www/html2/icheckinventory/vendor/phpoffice/phpexcel/Examples<br />