19:19:37 Enable Cell Caching using MemoryGZip method<br />19:19:37 Create new PHPExcel object<br />19:19:37 Set properties<br />19:19:37 Add data<br />19:19:37 Hide 'Phone' and 'fax' columns<br />19:19:37 Set outline levels<br />19:19:37 Freeze panes<br />19:19:37 Rows to repeat at top<br />19:19:38 Write to Excel2007 format<br />19:19:39 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.4196 seconds<br />19:19:39 Current memory usage: 17.5 MB<br />19:19:39 Peak memory usage: 20.25 MB<br />19:19:39 Done writing file<br />File has been created in /home/factovizjh/legitrack/vendor/phpoffice/phpexcel/Examples<br />