22:58:08 Enable Cell Caching using SQLite3 method<br />22:58:08 Create new PHPExcel object<br />22:58:08 Set properties<br />22:58:08 Add data<br />22:58:08 Hide 'Phone' and 'fax' columns<br />22:58:08 Set outline levels<br />22:58:08 Freeze panes<br />22:58:08 Rows to repeat at top<br />22:58:10 Write to Excel2007 format<br />22:58:13 File written to 06largescale-with-cellcaching-sqlite3.xlsx<br />Call time to write Workbook was 3.4348 seconds<br />22:58:13 Current memory usage: 18.5 MB<br />22:58:13 Peak memory usage: 21.75 MB<br />22:58:13 Done writing file<br />File has been created in /alidata/www/jiandantest/vendor/phpoffice/phpexcel/Examples<br />