00:51:04 Enable Cell Caching using SQLite3 method<br />00:51:04 Create new PHPExcel object<br />00:51:04 Set properties<br />00:51:04 Add data<br />00:51:04 Hide 'Phone' and 'fax' columns<br />00:51:04 Set outline levels<br />00:51:04 Freeze panes<br />00:51:04 Rows to repeat at top<br />00:51:06 Write to Excel2007 format<br />00:51:09 File written to 06largescale-with-cellcaching-sqlite3.xlsx<br />Call time to write Workbook was 3.4123 seconds<br />00:51:09 Current memory usage: 18.75 MB<br />00:51:09 Peak memory usage: 21.75 MB<br />00:51:09 Done writing file<br />File has been created in /alidata/www/jiandan/vendor/phpoffice/phpexcel/Examples<br />