16:43:29 Enable Cell Caching using MemoryGZip method<br />16:43:29 Create new PHPExcel object<br />16:43:29 Set properties<br />16:43:29 Add data<br />16:43:29 Hide 'Phone' and 'fax' columns<br />16:43:29 Set outline levels<br />16:43:29 Freeze panes<br />16:43:29 Rows to repeat at top<br />16:43:30 Write to Excel2007 format<br />16:43:32 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.8795 seconds<br />16:43:32 Current memory usage: 17.5 MB<br />16:43:32 Peak memory usage: 20.25 MB<br />16:43:32 Done writing file<br />File has been created in /home/factovizjh/legitrack/vendor/phpoffice/phpexcel/Examples<br />