17:56:28 Enable Cell Caching using MemoryGZip method<br />17:56:28 Create new PHPExcel object<br />17:56:28 Set properties<br />17:56:28 Add data<br />17:56:28 Hide 'Phone' and 'fax' columns<br />17:56:28 Set outline levels<br />17:56:28 Freeze panes<br />17:56:28 Rows to repeat at top<br />17:56:29 Write to Excel2007 format<br />17:56:31 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.5373 seconds<br />17:56:31 Current memory usage: 22 MB<br />17:56:31 Peak memory usage: 26 MB<br />17:56:31 Done writing file<br />File has been created in /home/akacsystem/facturacion.akacsystem.com/vendor/phpoffice/phpexcel/Examples<br />