12:47:09 Enable Cell Caching using MemoryGZip method<br />12:47:09 Create new PHPExcel object<br />12:47:09 Set properties<br />12:47:09 Add data<br />12:47:09 Hide 'Phone' and 'fax' columns<br />12:47:09 Set outline levels<br />12:47:09 Freeze panes<br />12:47:09 Rows to repeat at top<br />12:47:10 Write to Excel2007 format<br />12:47:10 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 0.6888 seconds<br />12:47:10 Current memory usage: 24 MB<br />12:47:10 Peak memory usage: 28 MB<br />12:47:10 Done writing file<br />File has been created in /var/www/html/elite-smart-tech/vendor/phpoffice/phpexcel/Examples<br />