17:31:08 Unable to set Cell Caching using SQLite3 method, reverting to memory<br />17:31:08 Create new PHPExcel object<br />17:31:08 Set properties<br />17:31:08 Add data<br />17:31:08 Hide 'Phone' and 'fax' columns<br />17:31:08 Set outline levels<br />17:31:08 Freeze panes<br />17:31:08 Rows to repeat at top<br />17:31:09 Write to Excel2007 format<br />17:31:09 File written to 06largescale-with-cellcaching-sqlite3.xlsx<br />Call time to write Workbook was 0.5975 seconds<br />17:31:09 Current memory usage: 18 MB<br />17:31:09 Peak memory usage: 22 MB<br />17:31:09 Done writing file<br />File has been created in /var/www/html/petroerp3/vendor/phpoffice/phpexcel/Examples<br />