[buddypress-trac] [BuddyPress] #4239: Fix filter parameters in groups_update_group_forum_post()

[buddypress-trac at lists.automattic.com]

#4239: Fix filter parameters in groups_update_group_forum_post()
--------------------------+-----------------------------
 Reporter:  r-a-y         |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Forums        |    Version:
 Severity:  normal        |   Keywords:  has-patch
--------------------------+-----------------------------
 In the `groups_update_group_forum_post()` function, the
 '`groups_activity_new_forum_post_action`' and
 '`groups_activity_new_forum_post_content`' filters were using the wrong
 parameters instead of those originally set in
 `groups_new_group_forum_post()`.

 The attached patch against r6059 makes sure these parameters are the same.

 The patch also:
 * Removes global $bp references for native BP functions in bp-group-
 forums.php
 * Adds PHPDoc throughout bp-group-forums.php

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Ticket URL: <https://buddypress.trac.wordpress.org/ticket/4239>
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