22:20:17 Enable Cell Caching using MemoryGZip method<br />22:20:17 Create new PHPExcel object<br />22:20:17 Set properties<br />22:20:17 Add data<br />22:20:17 Hide 'Phone' and 'fax' columns<br />22:20:17 Set outline levels<br />22:20:17 Freeze panes<br />22:20:17 Rows to repeat at top<br />22:20:18 Write to Excel2007 format<br />22:20:19 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.6308 seconds<br />22:20:19 Current memory usage: 22 MB<br />22:20:19 Peak memory usage: 28 MB<br />22:20:19 Done writing file<br />File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples<br />