12:45:18 Create new PHPExcel object<br />12:45:18 Set document properties<br />12:45:18 Add data<br />12:45:18 Set data validation<br />12:45:18 Write to Excel2007 format<br />12:45:18 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0248 seconds<br />12:45:18 Current memory usage: 4 MB<br />12:45:18 Peak memory usage: 4 MB<br />12:45:18 Done writing file<br />File has been created in D:\dev\sklad\vendor\phpoffice\phpexcel\Examples<br />