10:29:29 Enable Cell Caching using MemoryGZip method<br />10:29:29 Create new PHPExcel object<br />10:29:29 Set properties<br />10:29:29 Add data<br />10:29:29 Hide 'Phone' and 'fax' columns<br />10:29:29 Set outline levels<br />10:29:29 Freeze panes<br />10:29:29 Rows to repeat at top<br />10:29:29 Write to Excel2007 format<br />10:29:31 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.4253 seconds<br />10:29:31 Current memory usage: 20 MB<br />10:29:31 Peak memory usage: 24 MB<br />10:29:31 Done writing file<br />File has been created in /home/akacsystem/facturacion.akacsystem.com/vendor/phpoffice/phpexcel/Examples<br />