18:41:26 Enable Cell Caching using MemoryGZip method<br />18:41:26 Create new PHPExcel object<br />18:41:26 Set properties<br />18:41:26 Add data<br />18:41:26 Hide 'Phone' and 'fax' columns<br />18:41:26 Set outline levels<br />18:41:26 Freeze panes<br />18:41:26 Rows to repeat at top<br />18:41:27 Write to Excel2007 format<br />18:41:28 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.4231 seconds<br />18:41:28 Current memory usage: 17.75 MB<br />18:41:28 Peak memory usage: 20.5 MB<br />18:41:28 Done writing file<br />File has been created in /home/factovizjh/dataviz/vendor/phpoffice/phpexcel/Examples<br />