10:10:36 Enable Cell Caching using MemoryGZip method<br />10:10:36 Create new PHPExcel object<br />10:10:36 Set properties<br />10:10:36 Add data<br />10:10:36 Hide 'Phone' and 'fax' columns<br />10:10:36 Set outline levels<br />10:10:36 Freeze panes<br />10:10:36 Rows to repeat at top<br />10:10:38 Write to Excel2007 format<br />10:10:40 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.9417 seconds<br />10:10:40 Current memory usage: 19.25 MB<br />10:10:40 Peak memory usage: 22 MB<br />10:10:40 Done writing file<br />File has been created in D:\whospost\dv2\vendor\phpoffice\phpexcel\Examples<br />