Issue #2666088: Handle undefined date/time components

added 13 commits

• ef779380...0777c8df - 11 commits from branch project:7.x-4.x
• ccbbfee6 - Suppress notices from conditionally hidden date and/or time fields.
• 4d05704f - Use strlen() to detect empty strings

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mentioned in merge request !33 (closed)

changed title from Issue #2666088: Pesky notice in _webform_submit_date to Issue #2666088: Handle undefined date/time components

changed the description

added 1 commit

• d5fb77e1 - Remove strlen()

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merged