21:40:25 Enable Cell Caching using MemoryGZip method<br />21:40:25 Create new PHPExcel object<br />21:40:25 Set properties<br />21:40:25 Add data<br />21:40:25 Hide 'Phone' and 'fax' columns<br />21:40:25 Set outline levels<br />21:40:25 Freeze panes<br />21:40:25 Rows to repeat at top<br />21:40:26 Write to Excel2007 format<br />21:40:26 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 0.6862 seconds<br />21:40:26 Current memory usage: 24 MB<br />21:40:26 Peak memory usage: 28 MB<br />21:40:26 Done writing file<br />File has been created in /var/www/html/elite-sto-domingo3h/vendor/phpoffice/phpexcel/Examples<br />