16:38:56 Create new PHPExcel object<br />16:38:56 Set document properties<br />16:38:56 Add data<br />16:38:56 Set data validation<br />16:38:56 Write to Excel2007 format<br />16:38:56 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0318 seconds<br />16:38:56 Current memory usage: 6 MB<br />16:38:56 Peak memory usage: 6 MB<br />16:38:56 Done writing file<br />File has been created in /home/ykcomq5/hrm.ykcs.net/vendor/phpoffice/phpexcel/Examples<br />