10:12:55 Create new PHPExcel object<br />10:12:55 Set document properties<br />10:12:55 Add data<br />10:12:55 Set data validation<br />10:12:55 Write to Excel2007 format<br />10:12:55 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0077 seconds<br />10:12:55 Current memory usage: 2 MB<br />10:12:55 Peak memory usage: 2 MB<br />10:12:55 Done writing file<br />File has been created in /home/acadcooker/edu.acadcooker.ru/vendor/phpoffice/phpexcel/Examples<br />