sub sort_items {
my $items = shift;
my @items_sorted = sort {
( $a->{'id'} || 9999999999999 ) <=> ( $b->{'id'} || 9999999999999 )
||
( psql_date_to_DateTime( $a->{'dateend'} ) <=> psql_date_to_DateTime( $b->{'dateend'} ) )
} @$items;
\@items_sorted;
}
# later ...
sub foo {
my $items = shift; # array ref
$items = sort_items( $items );
}