20:47:31 Enable Cell Caching using MemoryGZip method<br />20:47:31 Create new PHPExcel object<br />20:47:31 Set properties<br />20:47:31 Add data<br />20:47:31 Hide 'Phone' and 'fax' columns<br />20:47:31 Set outline levels<br />20:47:31 Freeze panes<br />20:47:31 Rows to repeat at top<br />20:47:33 Write to Excel2007 format<br />20:47:35 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.4014 seconds<br />20:47:35 Current memory usage: 19.25 MB<br />20:47:35 Peak memory usage: 22 MB<br />20:47:35 Done writing file<br />File has been created in D:\whospost\dvT\vendor\phpoffice\phpexcel\Examples<br />