21:33:51 Enable Cell Caching using MemoryGZip method<br />21:33:51 Create new PHPExcel object<br />21:33:51 Set properties<br />21:33:51 Add data<br />21:33:51 Hide 'Phone' and 'fax' columns<br />21:33:51 Set outline levels<br />21:33:51 Freeze panes<br />21:33:51 Rows to repeat at top<br />21:33:52 Write to Excel2007 format<br />21:33:53 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.5255 seconds<br />21:33:53 Current memory usage: 17.25 MB<br />21:33:53 Peak memory usage: 20 MB<br />21:33:53 Done writing file<br />File has been created in /home/factovizjh/legitrack/vendor/phpoffice/phpexcel/Examples<br />