02:33:02 Create new PHPExcel object
02:33:02 Set document properties
02:33:02 Add data
02:33:02 Set data validation
02:33:02 Write to Excel5 format

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02:33:02 File written to 15datavalidation-xls.xls
Call time to write Workbook was 0.0255 seconds
02:33:02 Current memory usage: 6 MB
02:33:02 Peak memory usage: 6 MB
02:33:02 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples