22:11:51 Enable Cell Caching using MemoryGZip method<br />22:11:51 Create new PHPExcel object<br />22:11:52 Set properties<br />22:11:52 Add data<br />22:11:52 Hide 'Phone' and 'fax' columns<br />22:11:52 Set outline levels<br />22:11:52 Freeze panes<br />22:11:52 Rows to repeat at top<br />22:11:53 Write to Excel2007 format<br />22:11:55 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.9480 seconds<br />22:11:55 Current memory usage: 27 MB<br />22:11:55 Peak memory usage: 30 MB<br />22:11:55 Done writing file<br />File has been created in /home/www/mavensolutions.net/taxclinic/vendor/phpoffice/phpexcel/Examples<br />