[Koha-bugs] [Bug 30781] Use of uninitialized value $val in substitution iterator at /usr/share/koha/lib/C4/Letters.pm line 665.

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=30781

Jonathan Druart <jonathan.druart+koha at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |jonathan.druart+koha at gmail.
                   |                            |com

--- Comment #1 from Jonathan Druart <jonathan.druart+koha at gmail.com> ---
That could be fixed with the following change.

diff --git a/C4/Letters.pm b/C4/Letters.pm
index 9ed1de0e44f..8ab0bb727e0 100644
--- a/C4/Letters.pm
+++ b/C4/Letters.pm
@@ -599,6 +599,7 @@ sub GetPreparedLetter {

     if (%$substitute) {
         while ( my ($token, $val) = each %$substitute ) {
+            $val //= q{};
             if ( $token eq 'items.content' ) {
                 $val =~ s|\n|<br/>|g if $letter->{is_html};
             }

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