12:29:08 Create new PHPExcel object
12:29:08 Set document properties
12:29:08 Add data
12:29:08 Set data validation
12:29:09 Write to Excel5 format

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12:29:09 File written to 15datavalidation-xls.xls
Call time to write Workbook was 0.1663 seconds
12:29:09 Current memory usage: 4 MB
12:29:09 Peak memory usage: 4 MB
12:29:09 Done writing file
File has been created in /home/imevent/public_html/backup/vendor/phpoffice/phpexcel/Examples