16:11:40 Unable to set Cell Caching using SQLite method, reverting to memory<br />16:11:40 Create new PHPExcel object<br />16:11:40 Set properties<br />16:11:40 Add data<br />16:11:40 Hide 'Phone' and 'fax' columns<br />16:11:40 Set outline levels<br />16:11:40 Freeze panes<br />16:11:40 Rows to repeat at top<br />16:11:41 Write to Excel2007 format<br />16:11:41 File written to 06largescale-with-cellcaching-sqlite.xlsx<br />Call time to write Workbook was 0.4325 seconds<br />16:11:41 Current memory usage: 22 MB<br />16:11:41 Peak memory usage: 26 MB<br />16:11:41 Done writing file<br />File has been created in /var/www/customs_rongma/vendor/phpoffice/phpexcel/Examples<br />