13:13:48 Enable Cell Caching using MemoryGZip method<br />13:13:48 Create new PHPExcel object<br />13:13:48 Set properties<br />13:13:48 Add data<br />13:13:48 Hide 'Phone' and 'fax' columns<br />13:13:48 Set outline levels<br />13:13:48 Freeze panes<br />13:13:48 Rows to repeat at top<br />13:13:48 Write to Excel2007 format<br />13:13:50 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.8897 seconds<br />13:13:50 Current memory usage: 20 MB<br />13:13:50 Peak memory usage: 26 MB<br />13:13:50 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />