13:02:44 Enable Cell Caching using MemoryGZip method<br />13:02:44 Create new PHPExcel object<br />13:02:44 Set properties<br />13:02:44 Add data<br />13:02:44 Hide 'Phone' and 'fax' columns<br />13:02:44 Set outline levels<br />13:02:44 Freeze panes<br />13:02:44 Rows to repeat at top<br />13:02:45 Write to Excel2007 format<br />13:02:47 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.9597 seconds<br />13:02:47 Current memory usage: 20 MB<br />13:02:47 Peak memory usage: 26 MB<br />13:02:47 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />