05:52:26 Create new PHPExcel object<br />05:52:26 Set document properties<br />05:52:26 Add data<br />05:52:26 Set data validation<br />05:52:26 Write to Excel2007 format<br />05:52:26 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0054 seconds<br />05:52:26 Current memory usage: 2 MB<br />05:52:26 Peak memory usage: 2 MB<br />05:52:26 Done writing file<br />File has been created in /var/www/html/test/public/vendor/phpoffice/phpexcel/Examples<br />