14:03:43 Create new PHPExcel object
14:03:43 Set document properties
14:03:43 Add data
14:03:43 Set data validation
14:03:43 Write to Excel5 format

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14:03:43 File written to 15datavalidation-xls.xls
Call time to write Workbook was 0.0273 seconds
14:03:43 Current memory usage: 4 MB
14:03:43 Peak memory usage: 4 MB
14:03:43 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples