21:13:16 Create new PHPExcel object<br />21:13:16 Set document properties<br />21:13:16 Add some data<br />21:13:16 Rename worksheet<br />21:13:16 Set cell protection<br />21:13:16 Set sheet security<br />21:13:16 Write to Excel2007 format<br />21:13:16 File written to 12cellProtection.xlsx<br />Call time to write Workbook was 0.0101 seconds<br />21:13:16 Current memory usage: 6 MB<br />21:13:16 Peak memory usage: 6 MB<br />21:13:16 Done writing file<br />File has been created in /var/www/customs_rongma/vendor/phpoffice/phpexcel/Examples<br />