14:57:50 Enable Cell Caching using MemoryGZip method<br />14:57:50 Create new PHPExcel object<br />14:57:50 Set properties<br />14:57:50 Add data<br />14:57:50 Hide 'Phone' and 'fax' columns<br />14:57:50 Set outline levels<br />14:57:50 Freeze panes<br />14:57:50 Rows to repeat at top<br />14:57:52 Write to Excel2007 format<br />14:57:55 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 3.6317 seconds<br />14:57:55 Current memory usage: 23.75 MB<br />14:57:55 Peak memory usage: 26.75 MB<br />14:57:55 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />