21:54:39 Unable to set Cell Caching using SQLite3 method, reverting to memory<br />21:54:39 Create new PHPExcel object<br />21:54:39 Set properties<br />21:54:39 Add data<br />21:54:39 Hide 'Phone' and 'fax' columns<br />21:54:39 Set outline levels<br />21:54:39 Freeze panes<br />21:54:39 Rows to repeat at top<br />21:54:39 Write to Excel2007 format<br />21:54:40 File written to 06largescale-with-cellcaching-sqlite3.xlsx<br />Call time to write Workbook was 0.4408 seconds<br />21:54:40 Current memory usage: 22 MB<br />21:54:40 Peak memory usage: 26 MB<br />21:54:40 Done writing file<br />File has been created in /var/www/customs_rongma/vendor/phpoffice/phpexcel/Examples<br />