21:09:52 Enable Cell Caching using MemoryGZip method<br />21:09:52 Create new PHPExcel object<br />21:09:52 Set properties<br />21:09:52 Add data<br />21:09:52 Hide 'Phone' and 'fax' columns<br />21:09:52 Set outline levels<br />21:09:52 Freeze panes<br />21:09:52 Rows to repeat at top<br />21:09:54 Write to Excel2007 format<br />21:09:56 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.1163 seconds<br />21:09:56 Current memory usage: 27 MB<br />21:09:56 Peak memory usage: 29.75 MB<br />21:09:56 Done writing file<br />File has been created in /home/glink/haiphams3.glinkdeployments.com/exams/vendor/phpoffice/phpexcel/Examples<br />