21:54:49 Unable to set Cell Caching using SQLite method, reverting to memory<br />21:54:49 Create new PHPExcel object<br />21:54:49 Set properties<br />21:54:49 Add data<br />21:54:49 Hide 'Phone' and 'fax' columns<br />21:54:49 Set outline levels<br />21:54:49 Freeze panes<br />21:54:49 Rows to repeat at top<br />21:54:49 Write to Excel2007 format<br />21:54:50 File written to 06largescale-with-cellcaching-sqlite.xlsx<br />Call time to write Workbook was 0.4243 seconds<br />21:54:50 Current memory usage: 22 MB<br />21:54:50 Peak memory usage: 26 MB<br />21:54:50 Done writing file<br />File has been created in /var/www/customs_rongma/vendor/phpoffice/phpexcel/Examples<br />