20:42:47 Unable to set Cell Caching using SQLite3 method, reverting to memory<br />20:42:47 Create new PHPExcel object<br />20:42:47 Set properties<br />20:42:47 Add data<br />20:42:47 Hide 'Phone' and 'fax' columns<br />20:42:47 Set outline levels<br />20:42:47 Freeze panes<br />20:42:47 Rows to repeat at top<br />20:42:48 Write to Excel2007 format<br />20:42:48 File written to 06largescale-with-cellcaching-sqlite3.xlsx<br />Call time to write Workbook was 0.4325 seconds<br />20:42:48 Current memory usage: 22 MB<br />20:42:48 Peak memory usage: 26 MB<br />20:42:48 Done writing file<br />File has been created in /var/www/customs_yiao/vendor/phpoffice/phpexcel/Examples<br />