17:45:27 Enable Cell Caching using MemoryGZip method<br />17:45:27 Create new PHPExcel object<br />17:45:27 Set properties<br />17:45:27 Add data<br />17:45:27 Hide 'Phone' and 'fax' columns<br />17:45:27 Set outline levels<br />17:45:27 Freeze panes<br />17:45:27 Rows to repeat at top<br />17:45:28 Write to Excel2007 format<br />17:45:31 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.2677 seconds<br />17:45:31 Current memory usage: 20 MB<br />17:45:31 Peak memory usage: 26 MB<br />17:45:31 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />