$config->{person} returns a reference to an array, not an array. 

my $persons = $config->{person};
print "Size:".@$persons;

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Hashes values can't be arrays, only scalars. References are scalars, so references to arrays are valid hash values.

In reply to Re: Looping through nested repeated elements using XML::Simple by ikegami
in thread Looping through nested repeated elements using XML::Simple by ranjan_jajodia

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