[buddypress-trac] [BuddyPress] #4985: Move BP_Group_Extension::parse_args_r() into core component

[buddypress-trac]

#4985: Move BP_Group_Extension::parse_args_r() into core component
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 Reporter:  boonebgorges  |      Owner:
     Type:  enhancement   |     Status:  new
 Priority:  normal        |  Milestone:  1.8
Component:  Core          |    Version:
 Severity:  normal        |   Keywords:  needs-patch
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 BP_Group_Extension::parse_args_r() was introduced in r6997, but may be
 useful elsewhere in BP. Move it into a standalone function. (But be
 careful, because it doesn't do query-argument-style parsing, so isn't
 straightforwardly swappable with `wp_parse_args()`)

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Ticket URL: <https://buddypress.trac.wordpress.org/ticket/4985>
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