00:56:19 Enable Cell Caching using MemoryGZip method<br />00:56:19 Create new PHPExcel object<br />00:56:19 Set properties<br />00:56:19 Add data<br />00:56:19 Hide 'Phone' and 'fax' columns<br />00:56:19 Set outline levels<br />00:56:19 Freeze panes<br />00:56:19 Rows to repeat at top<br />00:56:19 Write to Excel2007 format<br />00:56:20 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 0.7829 seconds<br />00:56:20 Current memory usage: 20 MB<br />00:56:20 Peak memory usage: 26 MB<br />00:56:20 Done writing file<br />File has been created in /home/autourdey/invoice/vendor/phpoffice/phpexcel/Examples<br />