21:08:27 Enable Cell Caching using MemoryGZip method<br />21:08:27 Create new PHPExcel object<br />21:08:27 Set properties<br />21:08:27 Add data<br />21:08:27 Hide 'Phone' and 'fax' columns<br />21:08:27 Set outline levels<br />21:08:27 Freeze panes<br />21:08:27 Rows to repeat at top<br />21:08:30 Write to Excel2007 format<br />21:08:32 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.6651 seconds<br />21:08:32 Current memory usage: 17.25 MB<br />21:08:32 Peak memory usage: 20 MB<br />21:08:32 Done writing file<br />File has been created in D:\www\rict\protect\vendor\phpoffice\phpexcel\Examples<br />