18:53:53 Enable Cell Caching using MemoryGZip method<br />18:53:53 Create new PHPExcel object<br />18:53:53 Set properties<br />18:53:53 Add data<br />18:53:53 Hide 'Phone' and 'fax' columns<br />18:53:53 Set outline levels<br />18:53:53 Freeze panes<br />18:53:53 Rows to repeat at top<br />18:53:56 Write to Excel2007 format<br />18:53:58 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.6172 seconds<br />18:53:58 Current memory usage: 19.5 MB<br />18:53:58 Peak memory usage: 22.25 MB<br />18:53:58 Done writing file<br />File has been created in D:\whospost\dv\vendor\phpoffice\phpexcel\Examples<br />