10:45:10 Enable Cell Caching using SQLite3 method<br />10:45:10 Create new PHPExcel object<br />10:45:10 Set properties<br />10:45:10 Add data<br />10:45:10 Hide 'Phone' and 'fax' columns<br />10:45:10 Set outline levels<br />10:45:10 Freeze panes<br />10:45:10 Rows to repeat at top<br />10:45:11 Write to Excel2007 format<br />10:45:14 File written to 06largescale-with-cellcaching-sqlite3.xlsx<br />Call time to write Workbook was 3.2093 seconds<br />10:45:14 Current memory usage: 18 MB<br />10:45:14 Peak memory usage: 21.75 MB<br />10:45:14 Done writing file<br />File has been created in /alidata/www/jiandance/vendor/phpoffice/phpexcel/Examples<br />