04:43:30 Enable Cell Caching using MemoryGZip method<br />04:43:30 Create new PHPExcel object<br />04:43:30 Set properties<br />04:43:30 Add data<br />04:43:31 Hide 'Phone' and 'fax' columns<br />04:43:31 Set outline levels<br />04:43:31 Freeze panes<br />04:43:31 Rows to repeat at top<br />04:43:31 Write to Excel2007 format<br />04:43:33 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.6181 seconds<br />04:43:33 Current memory usage: 20 MB<br />04:43:33 Peak memory usage: 26 MB<br />04:43:33 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />