23:11:32 Enable Cell Caching using MemoryGZip method<br />23:11:32 Create new PHPExcel object<br />23:11:32 Set properties<br />23:11:32 Add data<br />23:11:32 Hide 'Phone' and 'fax' columns<br />23:11:32 Set outline levels<br />23:11:32 Freeze panes<br />23:11:32 Rows to repeat at top<br />23:11:32 Write to Excel2007 format<br />23:11:33 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 0.6901 seconds<br />23:11:33 Current memory usage: 24 MB<br />23:11:33 Peak memory usage: 28 MB<br />23:11:33 Done writing file<br />File has been created in /var/www/html/elite-demo/vendor/phpoffice/phpexcel/Examples<br />