10:49:52 Enable Cell Caching using MemoryGZip method<br />10:49:52 Create new PHPExcel object<br />10:49:52 Set properties<br />10:49:52 Add data<br />10:49:52 Hide 'Phone' and 'fax' columns<br />10:49:52 Set outline levels<br />10:49:52 Freeze panes<br />10:49:52 Rows to repeat at top<br />10:49:53 Write to Excel2007 format<br />10:49:55 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.9372 seconds<br />10:49:55 Current memory usage: 24 MB<br />10:49:55 Peak memory usage: 28 MB<br />10:49:55 Done writing file<br />File has been created in /var/www/html/Quetzal/vendor/phpoffice/phpexcel/Examples<br />