08:05:54 Enable Cell Caching using MemoryGZip method<br />08:05:54 Create new PHPExcel object<br />08:05:54 Set properties<br />08:05:54 Add data<br />08:05:54 Hide 'Phone' and 'fax' columns<br />08:05:54 Set outline levels<br />08:05:54 Freeze panes<br />08:05:54 Rows to repeat at top<br />08:05:55 Write to Excel2007 format<br />08:05:56 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.5045 seconds<br />08:05:56 Current memory usage: 20 MB<br />08:05:56 Peak memory usage: 24 MB<br />08:05:56 Done writing file<br />File has been created in /var/www/html/preuc/vendor/phpoffice/phpexcel/Examples<br />