04:06:05 Enable Cell Caching using MemoryGZip method<br />04:06:05 Create new PHPExcel object<br />04:06:05 Set properties<br />04:06:05 Add data<br />04:06:05 Hide 'Phone' and 'fax' columns<br />04:06:05 Set outline levels<br />04:06:05 Freeze panes<br />04:06:05 Rows to repeat at top<br />04:06:08 Write to Excel2007 format<br />04:06:10 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.3389 seconds<br />04:06:10 Current memory usage: 19.25 MB<br />04:06:10 Peak memory usage: 22 MB<br />04:06:10 Done writing file<br />File has been created in D:\whospost\dvT\vendor\phpoffice\phpexcel\Examples<br />