13:14:48 Enable Cell Caching using MemoryGZip method<br />13:14:48 Create new PHPExcel object<br />13:14:48 Set properties<br />13:14:48 Add data<br />13:14:48 Hide 'Phone' and 'fax' columns<br />13:14:48 Set outline levels<br />13:14:48 Freeze panes<br />13:14:48 Rows to repeat at top<br />13:14:49 Write to Excel2007 format<br />13:14:50 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.5620 seconds<br />13:14:50 Current memory usage: 18 MB<br />13:14:50 Peak memory usage: 20.75 MB<br />13:14:50 Done writing file<br />File has been created in /home/factovizjh/dataviz/vendor/phpoffice/phpexcel/Examples<br />