15:34:15 Enable Cell Caching using MemoryGZip method<br />15:34:15 Create new PHPExcel object<br />15:34:16 Set properties<br />15:34:16 Add data<br />15:34:16 Hide 'Phone' and 'fax' columns<br />15:34:16 Set outline levels<br />15:34:16 Freeze panes<br />15:34:16 Rows to repeat at top<br />15:34:17 Write to Excel2007 format<br />15:34:21 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 3.8186 seconds<br />15:34:21 Current memory usage: 28.25 MB<br />15:34:21 Peak memory usage: 31.25 MB<br />15:34:21 Done writing file<br />File has been created in D:\wwwroot\jzg\vendor\phpoffice\phpexcel\Examples<br />