18:18:18 Enable Cell Caching using MemoryGZip method<br />18:18:18 Create new PHPExcel object<br />18:18:18 Set properties<br />18:18:18 Add data<br />18:18:18 Hide 'Phone' and 'fax' columns<br />18:18:18 Set outline levels<br />18:18:18 Freeze panes<br />18:18:18 Rows to repeat at top<br />18:18:19 Write to Excel2007 format<br />18:18:19 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 0.6882 seconds<br />18:18:19 Current memory usage: 24 MB<br />18:18:19 Peak memory usage: 28 MB<br />18:18:19 Done writing file<br />File has been created in /var/www/html/elite-buug/vendor/phpoffice/phpexcel/Examples<br />