16:36:22 Enable Cell Caching using SQLite3 method<br />16:36:22 Create new PHPExcel object<br />16:36:22 Set properties<br />16:36:22 Add data<br />16:36:22 Hide 'Phone' and 'fax' columns<br />16:36:22 Set outline levels<br />16:36:22 Freeze panes<br />16:36:22 Rows to repeat at top<br />16:36:24 Write to Excel2007 format<br />16:36:27 File written to 06largescale-with-cellcaching-sqlite3.xlsx<br />Call time to write Workbook was 3.1564 seconds<br />16:36:27 Current memory usage: 18.75 MB<br />16:36:27 Peak memory usage: 21.75 MB<br />16:36:27 Done writing file<br />File has been created in /alidata/www/jiandan/vendor/phpoffice/phpexcel/Examples<br />