21:27:21 Enable Cell Caching using MemoryGZip method<br />21:27:21 Create new PHPExcel object<br />21:27:21 Set properties<br />21:27:21 Add data<br />21:27:21 Hide 'Phone' and 'fax' columns<br />21:27:21 Set outline levels<br />21:27:21 Freeze panes<br />21:27:21 Rows to repeat at top<br />21:27:21 Write to Excel2007 format<br />21:27:22 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 0.9741 seconds<br />21:27:22 Current memory usage: 24 MB<br />21:27:22 Peak memory usage: 24 MB<br />21:27:22 Done writing file<br />File has been created in /home/clegatconh/backoffice/ninja/vendor/phpoffice/phpexcel/Examples<br />