07:35:31 Enable Cell Caching using MemoryGZip method<br />07:35:31 Create new PHPExcel object<br />07:35:31 Set properties<br />07:35:31 Add data<br />07:35:31 Hide 'Phone' and 'fax' columns<br />07:35:31 Set outline levels<br />07:35:31 Freeze panes<br />07:35:31 Rows to repeat at top<br />07:35:32 Write to Excel2007 format<br />07:35:35 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 3.0363 seconds<br />07:35:35 Current memory usage: 18 MB<br />07:35:35 Peak memory usage: 22 MB<br />07:35:35 Done writing file<br />File has been created in /var/www/html/petroerp3/vendor/phpoffice/phpexcel/Examples<br />