12:30:02 Create new PHPExcel object<br />12:30:02 Set document properties<br />12:30:02 Add data<br />12:30:02 Set data validation<br />12:30:02 Write to Excel2007 format<br />12:30:02 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0040 seconds<br />12:30:02 Current memory usage: 2 MB<br />12:30:02 Peak memory usage: 2 MB<br />12:30:02 Done writing file<br />File has been created in /home/ruqwxybg/myprivatedesk.c4-first.ch/vendor/phpoffice/phpexcel/Examples<br />