00:20:19 Enable Cell Caching using MemoryGZip method<br />00:20:19 Create new PHPExcel object<br />00:20:19 Set properties<br />00:20:19 Add data<br />00:20:19 Hide 'Phone' and 'fax' columns<br />00:20:19 Set outline levels<br />00:20:19 Freeze panes<br />00:20:19 Rows to repeat at top<br />00:20:20 Write to Excel2007 format<br />00:20:22 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.2581 seconds<br />00:20:22 Current memory usage: 24 MB<br />00:20:22 Peak memory usage: 30 MB<br />00:20:22 Done writing file<br />File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples<br />