11:15:51 Enable Cell Caching using MemoryGZip method<br />11:15:51 Create new PHPExcel object<br />11:15:51 Set properties<br />11:15:51 Add data<br />11:15:51 Hide 'Phone' and 'fax' columns<br />11:15:51 Set outline levels<br />11:15:51 Freeze panes<br />11:15:51 Rows to repeat at top<br />11:15:52 Write to Excel2007 format<br />11:15:53 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.9063 seconds<br />11:15:53 Current memory usage: 24 MB<br />11:15:53 Peak memory usage: 28 MB<br />11:15:53 Done writing file<br />File has been created in /var/www/html/TECORSA/vendor/phpoffice/phpexcel/Examples<br />