17:09:10 Enable Cell Caching using MemoryGZip method<br />17:09:10 Create new PHPExcel object<br />17:09:10 Set properties<br />17:09:10 Add data<br />17:09:10 Hide 'Phone' and 'fax' columns<br />17:09:10 Set outline levels<br />17:09:10 Freeze panes<br />17:09:10 Rows to repeat at top<br />17:09:11 Write to Excel2007 format<br />17:09:13 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.0801 seconds<br />17:09:13 Current memory usage: 24 MB<br />17:09:13 Peak memory usage: 30 MB<br />17:09:13 Done writing file<br />File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples<br />