01:14:10 Create new PHPExcel object
01:14:10 Set document properties
01:14:10 Add data
01:14:10 Set data validation
01:14:10 Write to Excel5 format

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01:14:10 File written to 15datavalidation-xls.xls
Call time to write Workbook was 0.0248 seconds
01:14:10 Current memory usage: 6 MB
01:14:10 Peak memory usage: 6 MB
01:14:10 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples