20:13:11 Create new PHPExcel object<br />20:13:11 Set document properties<br />20:13:11 Add data<br />20:13:11 Set data validation<br />20:13:11 Write to Excel2007 format<br />20:13:11 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0058 seconds<br />20:13:11 Current memory usage: 2 MB<br />20:13:11 Peak memory usage: 2 MB<br />20:13:11 Done writing file<br />File has been created in /home/acadtutor/edu.acadtutor.ru/vendor/phpoffice/phpexcel/Examples<br />