[wp-trac] [WordPress Trac] #33900: introduce get_current_network_id helper function

[WordPress Trac]

#33900: introduce get_current_network_id helper function
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 Reporter:  spacedmonkey        |       Owner:
     Type:  enhancement         |      Status:  new
 Priority:  normal              |   Milestone:  Awaiting Review
Component:  Networks and Sites  |     Version:  4.4
 Severity:  normal              |  Resolution:
 Keywords:                      |     Focuses:  multisite
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Comment (by spacedmonkey):

 Did the feedback from @johnjamesjacoby . Did one better than check if
 empty and did a type check.

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Ticket URL: <https://core.trac.wordpress.org/ticket/33900#comment:4>
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