18:16:21 Enable Cell Caching using MemoryGZip method<br />18:16:21 Create new PHPExcel object<br />18:16:21 Set properties<br />18:16:21 Add data<br />18:16:21 Hide 'Phone' and 'fax' columns<br />18:16:21 Set outline levels<br />18:16:21 Freeze panes<br />18:16:21 Rows to repeat at top<br />18:16:22 Write to Excel2007 format<br />18:16:24 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.5679 seconds<br />18:16:24 Current memory usage: 28.25 MB<br />18:16:24 Peak memory usage: 31 MB<br />18:16:24 Done writing file<br />File has been created in /var/www/html/proyectoprueba/mbinv/vendor/phpoffice/phpexcel/Examples<br />