09:14:41 Enable Cell Caching using MemoryGZip method<br />09:14:41 Create new PHPExcel object<br />09:14:41 Set properties<br />09:14:41 Add data<br />09:14:41 Hide 'Phone' and 'fax' columns<br />09:14:41 Set outline levels<br />09:14:41 Freeze panes<br />09:14:41 Rows to repeat at top<br />09:14:44 Write to Excel2007 format<br />09:14:49 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 5.7930 seconds<br />09:14:49 Current memory usage: 23.75 MB<br />09:14:49 Peak memory usage: 26.75 MB<br />09:14:49 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />