16:42:30 Create new PHPExcel object
16:42:30 Set document properties
16:42:30 Add data
16:42:30 Set data validation
16:42:30 Write to Excel2007 format
16:42:30 File written to 15datavalidation.xlsx
Call time to write Workbook was 0.0216 seconds
16:42:30 Current memory usage: 3.75 MB
16:42:30 Peak memory usage: 3.75 MB
16:42:30 Done writing file
File has been created in /home/factovizjh/dataviz/vendor/phpoffice/phpexcel/Examples