18:53:50 Create new PHPExcel object<br />18:53:50 Set document properties<br />18:53:50 Add some data<br />18:53:50 Rename worksheet<br />18:53:50 Set cell protection<br />18:53:50 Set sheet security<br />18:53:50 Write to Excel2007 format<br />18:53:50 File written to 12cellProtection.xlsx<br />Call time to write Workbook was 0.0094 seconds<br />18:53:50 Current memory usage: 6 MB<br />18:53:50 Peak memory usage: 6 MB<br />18:53:50 Done writing file<br />File has been created in /var/www/customs_yiao/vendor/phpoffice/phpexcel/Examples<br />