12:15:10 Enable Cell Caching using MemoryGZip method<br />12:15:10 Create new PHPExcel object<br />12:15:11 Set properties<br />12:15:11 Add data<br />12:15:11 Hide 'Phone' and 'fax' columns<br />12:15:11 Set outline levels<br />12:15:11 Freeze panes<br />12:15:11 Rows to repeat at top<br />12:15:13 Write to Excel2007 format<br />12:15:17 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 3.8357 seconds<br />12:15:17 Current memory usage: 23.75 MB<br />12:15:17 Peak memory usage: 26.75 MB<br />12:15:17 Done writing file<br />File has been created in /var/www/html/onswitch.neon.service/vendor/phpoffice/phpexcel/Examples<br />