14:44:33 Enable Cell Caching using MemoryGZip method<br />14:44:33 Create new PHPExcel object<br />14:44:33 Set properties<br />14:44:33 Add data<br />14:44:33 Hide 'Phone' and 'fax' columns<br />14:44:33 Set outline levels<br />14:44:33 Freeze panes<br />14:44:33 Rows to repeat at top<br />14:44:36 Write to Excel2007 format<br />14:44:40 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 4.2847 seconds<br />14:44:40 Current memory usage: 27.75 MB<br />14:44:40 Peak memory usage: 30.75 MB<br />14:44:40 Done writing file<br />File has been created in /var/www/consumer-experience/www/vendor/phpoffice/phpexcel/Examples<br />