15:32:07 Unable to set Cell Caching using SQLite3 method, reverting to memory<br />15:32:07 Create new PHPExcel object<br />15:32:07 Set properties<br />15:32:07 Add data<br />15:32:07 Hide 'Phone' and 'fax' columns<br />15:32:07 Set outline levels<br />15:32:07 Freeze panes<br />15:32:07 Rows to repeat at top<br />15:32:07 Write to Excel2007 format<br />15:32:07 File written to 06largescale-with-cellcaching-sqlite3.xlsx<br />Call time to write Workbook was 0.5973 seconds<br />15:32:07 Current memory usage: 18 MB<br />15:32:07 Peak memory usage: 22 MB<br />15:32:07 Done writing file<br />File has been created in /var/www/html/petroerp3/vendor/phpoffice/phpexcel/Examples<br />