06:51:51 Enable Cell Caching using MemoryGZip method<br />06:51:51 Create new PHPExcel object<br />06:51:51 Set properties<br />06:51:51 Add data<br />06:51:51 Hide 'Phone' and 'fax' columns<br />06:51:51 Set outline levels<br />06:51:51 Freeze panes<br />06:51:51 Rows to repeat at top<br />06:51:51 Write to Excel2007 format<br />06:51:52 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 0.8002 seconds<br />06:51:52 Current memory usage: 24 MB<br />06:51:52 Peak memory usage: 28 MB<br />06:51:52 Done writing file<br />File has been created in /home/teranbyt/public_html/invoice/vendor/phpoffice/phpexcel/Examples<br />