20:48:37 Enable Cell Caching using MemoryGZip method<br />20:48:37 Create new PHPExcel object<br />20:48:37 Set properties<br />20:48:37 Add data<br />20:48:37 Hide 'Phone' and 'fax' columns<br />20:48:37 Set outline levels<br />20:48:37 Freeze panes<br />20:48:37 Rows to repeat at top<br />20:48:38 Write to Excel2007 format<br />20:48:40 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.3113 seconds<br />20:48:40 Current memory usage: 2 MB<br />20:48:40 Peak memory usage: 2 MB<br />20:48:40 Done writing file<br />File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples<br />