10:17:53 Enable Cell Caching using MemoryGZip method<br />10:17:53 Create new PHPExcel object<br />10:17:53 Set properties<br />10:17:53 Add data<br />10:17:53 Hide 'Phone' and 'fax' columns<br />10:17:53 Set outline levels<br />10:17:53 Freeze panes<br />10:17:53 Rows to repeat at top<br />10:17:54 Write to Excel2007 format<br />10:17:55 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.3885 seconds<br />10:17:55 Current memory usage: 20 MB<br />10:17:55 Peak memory usage: 26 MB<br />10:17:55 Done writing file<br />File has been created in /var/www/html2/dev_icheckinventory/vendor/phpoffice/phpexcel/Examples<br />