00:39:55 Enable Cell Caching using MemoryGZip method<br />00:39:55 Create new PHPExcel object<br />00:39:55 Set properties<br />00:39:55 Add data<br />00:39:55 Hide 'Phone' and 'fax' columns<br />00:39:55 Set outline levels<br />00:39:55 Freeze panes<br />00:39:55 Rows to repeat at top<br />00:39:55 Write to Excel2007 format<br />00:39:56 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 0.9471 seconds<br />00:39:56 Current memory usage: 20 MB<br />00:39:56 Peak memory usage: 26 MB<br />00:39:56 Done writing file<br />File has been created in /home/autourdey/invoice/vendor/phpoffice/phpexcel/Examples<br />