17:20:08 Enable Cell Caching using MemoryGZip method<br />17:20:08 Create new PHPExcel object<br />17:20:08 Set properties<br />17:20:08 Add data<br />17:20:08 Hide 'Phone' and 'fax' columns<br />17:20:08 Set outline levels<br />17:20:08 Freeze panes<br />17:20:08 Rows to repeat at top<br />17:20:08 Write to Excel2007 format<br />17:20:09 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 0.6911 seconds<br />17:20:09 Current memory usage: 24 MB<br />17:20:09 Peak memory usage: 28 MB<br />17:20:09 Done writing file<br />File has been created in /var/www/html/elite-zaragoza/vendor/phpoffice/phpexcel/Examples<br />