22:58:44 Create new PHPExcel object
22:58:44 Set document properties
22:58:44 Add data
22:58:44 Set data validation
22:58:44 Write to Excel5 format

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22:58:44 File written to 15datavalidation-xls.xls
Call time to write Workbook was 0.0296 seconds
22:58:44 Current memory usage: 6 MB
22:58:44 Peak memory usage: 6 MB
22:58:44 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples