12:20:27 Enable Cell Caching using MemoryGZip method<br />12:20:27 Create new PHPExcel object<br />12:20:27 Set properties<br />12:20:27 Add data<br />12:20:27 Hide 'Phone' and 'fax' columns<br />12:20:27 Set outline levels<br />12:20:27 Freeze panes<br />12:20:27 Rows to repeat at top<br />12:20:28 Write to Excel2007 format<br />12:20:30 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.9374 seconds<br />12:20:30 Current memory usage: 24 MB<br />12:20:30 Peak memory usage: 28 MB<br />12:20:30 Done writing file<br />File has been created in /var/www/html/SFL/vendor/phpoffice/phpexcel/Examples<br />