https://github.com/sterndata/sdsplugin/blob/master/sterndata-plugin.php#L185
usage:
[years-since start="a year number"]
returns years since a year number. For example, In business for [years-since start="1960"] years.
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Your script works perfect!
I did a minor modification to display the number in digits an in my own language (dutch)
$a = new NumberFormatter( 'nl',NumberFormatter::DECIMAL );
Thanks a lot for the quick reply!!!
René
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