10:10:29 Enable Cell Caching using MemoryGZip method<br />10:10:29 Create new PHPExcel object<br />10:10:29 Set properties<br />10:10:29 Add data<br />10:10:29 Hide 'Phone' and 'fax' columns<br />10:10:29 Set outline levels<br />10:10:29 Freeze panes<br />10:10:29 Rows to repeat at top<br />10:10:31 Write to Excel2007 format<br />10:10:33 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.1337 seconds<br />10:10:33 Current memory usage: 19.5 MB<br />10:10:33 Peak memory usage: 22.25 MB<br />10:10:33 Done writing file<br />File has been created in D:\whospost\dv\vendor\phpoffice\phpexcel\Examples<br />