11:40:51 Enable Cell Caching using MemoryGZip method<br />11:40:51 Create new PHPExcel object<br />11:40:51 Set properties<br />11:40:51 Add data<br />11:40:51 Hide 'Phone' and 'fax' columns<br />11:40:51 Set outline levels<br />11:40:51 Freeze panes<br />11:40:51 Rows to repeat at top<br />11:40:52 Write to Excel2007 format<br />11:40:54 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.6654 seconds<br />11:40:54 Current memory usage: 22 MB<br />11:40:54 Peak memory usage: 26 MB<br />11:40:54 Done writing file<br />File has been created in /home/wtogroup/wtogroup.com/vendor/phpoffice/phpexcel/Examples<br />