07:39:29 Create new PHPExcel object<br />07:39:29 Set document properties<br />07:39:29 Add data<br />07:39:29 Set data validation<br />07:39:29 Write to Excel2007 format<br />07:39:30 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0260 seconds<br />07:39:30 Current memory usage: 2 MB<br />07:39:30 Peak memory usage: 2 MB<br />07:39:30 Done writing file<br />File has been created in /home/acadexam/edu.acadexam.ru/vendor/phpoffice/phpexcel/Examples<br />