Handle undefined date/time components

This is the diff file for kodiak324's merge request !33 in comment #9. Please attribute it correctly if this is committed.

Attribution: kodiak324 at Rochester Institute of Technology

Thank you.
MR#33 tested and ready to be released.
I discovered 🐛 Deprecated function: preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in webform_number_format_match() Needs work during testing.

Liam Morland → closed merge request !33

Merge request as a patch.

Automatically closed - issue fixed for 2 weeks with no activity.