Previous:$date = date_iso8601($date);
Use instead:$date = date('c', $date);
Introduced in branch:
1.0.x
Introduced in version:
1.0.0
Impacts:
Module developers
Related Github Issues:
https://github.com/backdrop/backdrop-issues/issues/713
Previous:$date = date_iso8601($date);
Use instead:$date = date('c', $date);