23:10:13 Enable Cell Caching using SQLite3 method<br />23:10:13 Create new PHPExcel object<br />23:10:13 Set properties<br />23:10:13 Add data<br />23:10:13 Hide 'Phone' and 'fax' columns<br />23:10:13 Set outline levels<br />23:10:13 Freeze panes<br />23:10:13 Rows to repeat at top<br />23:10:15 Write to Excel2007 format<br />23:10:19 File written to 06largescale-with-cellcaching-sqlite3.xlsx<br />Call time to write Workbook was 3.2483 seconds<br />23:10:19 Current memory usage: 18 MB<br />23:10:19 Peak memory usage: 21.75 MB<br />23:10:19 Done writing file<br />File has been created in /alidata/www/jiandance/vendor/phpoffice/phpexcel/Examples<br />