[buddypress-trac] [BuddyPress] #5132: Provide fallback for group invite status in group settings form handler

[buddypress-trac]

#5132: Provide fallback for group invite status in group settings form handler
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 Reporter:  boonebgorges  |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  lowest        |  Milestone:  1.9
Component:  Groups        |    Version:
 Severity:  trivial       |   Keywords:
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 In `groups_screen_group_admin_settings()`, we should check whether `$_POST
 ['group-invite-status']` is set before checking it against the status
 whitelist, to avoid PHP warnings. Sites that are using BP's core templates
 for the group edit pages will have this input in the edit form, but custom
 templates that are a bit older will not, resulting in PHP warnings.

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Ticket URL: <https://buddypress.trac.wordpress.org/ticket/5132>
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