[Koha-bugs] [Bug 34532] New: Silence warns in Patroncard.pm when layout values are empty

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

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=34532

            Bug ID: 34532
           Summary: Silence warns in Patroncard.pm when layout values are
                    empty
 Change sponsored?: ---
           Product: Koha
           Version: master
          Hardware: All
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P5 - low
         Component: Label/patron card printing
          Assignee: cnighswonger at foundations.edu
          Reporter: lucas at bywatersolutions.com
        QA Contact: testopia at bugs.koha-community.org

To recreate: 

1. Go to patron card creator and make a patron card batch, card layout, and
card template.
2. In the card layout leave some values blank for Lower left X coordinate and
Lower left Y coordinate.
3. Now go create a card batch while tailing the plack-intranet-error log/
4. Notice in the logs:

[2023/08/14 20:50:54] [WARN] Argument "" isn't numeric in multiplication (*) at
/kohadevbox/koha/C4/Patroncards/Patroncard.pm line 109.
[2023/08/14 20:50:54] [WARN] Argument "" isn't numeric in multiplication (*) at
/kohadevbox/koha/C4/Patroncards/Patroncard.pm line 248.
[2023/08/14 20:50:54] [WARN] Argument "" isn't numeric in multiplication (*) at
/kohadevbox/koha/C4/Patroncards/Patroncard.pm line 249.


The more patrons in a given batch the more of these errors you will see. 


If no llx or lly value is given we should assume it is 0.

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