05:28:34 Create new PHPExcel object<br />05:28:34 Set document properties<br />05:28:34 Add data<br />05:28:34 Set data validation<br />05:28:34 Write to Excel2007 format<br />05:28:34 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0445 seconds<br />05:28:34 Current memory usage: 3.75 MB<br />05:28:34 Peak memory usage: 3.75 MB<br />05:28:34 Done writing file<br />File has been created in D:\whospost\dvBackup20200407\vendor\phpoffice\phpexcel\Examples<br />