13:45:23 Enable Cell Caching using MemoryGZip method<br />13:45:23 Create new PHPExcel object<br />13:45:23 Set properties<br />13:45:23 Add data<br />13:45:23 Hide 'Phone' and 'fax' columns<br />13:45:23 Set outline levels<br />13:45:23 Freeze panes<br />13:45:23 Rows to repeat at top<br />13:45:25 Write to Excel2007 format<br />13:45:30 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 4.7822 seconds<br />13:45:30 Current memory usage: 28.25 MB<br />13:45:30 Peak memory usage: 31 MB<br />13:45:30 Done writing file<br />File has been created in /var/www/kd/vendor-old/phpoffice/phpexcel/Examples<br />