21:22:07 Enable Cell Caching using MemoryGZip method<br />21:22:07 Create new PHPExcel object<br />21:22:07 Set properties<br />21:22:07 Add data<br />21:22:07 Hide 'Phone' and 'fax' columns<br />21:22:07 Set outline levels<br />21:22:07 Freeze panes<br />21:22:07 Rows to repeat at top<br />21:22:08 Write to Excel2007 format<br />21:22:09 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.4047 seconds<br />21:22:09 Current memory usage: 14.75 MB<br />21:22:09 Peak memory usage: 17.5 MB<br />21:22:09 Done writing file<br />File has been created in /home/factovizjh/legitrack/vendor/phpoffice/phpexcel/Examples<br />