19:09:36 Enable Cell Caching using MemoryGZip method<br />19:09:36 Create new PHPExcel object<br />19:09:36 Set properties<br />19:09:36 Add data<br />19:09:36 Hide 'Phone' and 'fax' columns<br />19:09:36 Set outline levels<br />19:09:36 Freeze panes<br />19:09:36 Rows to repeat at top<br />19:09:37 Write to Excel2007 format<br />19:09:39 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.7823 seconds<br />19:09:39 Current memory usage: 24 MB<br />19:09:39 Peak memory usage: 28 MB<br />19:09:39 Done writing file<br />File has been created in /home/boapp/public_html/vendor/phpoffice/phpexcel/Examples<br />