18:18:15 Enable Cell Caching using MemoryGZip method<br />18:18:15 Create new PHPExcel object<br />18:18:15 Set properties<br />18:18:15 Add data<br />18:18:15 Hide 'Phone' and 'fax' columns<br />18:18:15 Set outline levels<br />18:18:15 Freeze panes<br />18:18:15 Rows to repeat at top<br />18:18:17 Write to Excel2007 format<br />18:18:20 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 3.1644 seconds<br />18:18:20 Current memory usage: 15 MB<br />18:18:20 Peak memory usage: 17.75 MB<br />18:18:20 Done writing file<br />File has been created in /var/www/html/auditoria/vendor/phpoffice/phpexcel/Examples<br />