[wp-trac] [WordPress Trac] #34699: New function: `get_query_arg()`

[WordPress Trac]

#34699: New function: `get_query_arg()`
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 Reporter:  sebastian.pisula                     |       Owner:
     Type:  enhancement                          |      Status:  new
 Priority:  normal                               |   Milestone:  Awaiting
Component:  General                              |  Review
 Severity:  normal                               |     Version:
 Keywords:  reporter-feedback has-patch needs-   |  Resolution:
  unit-tests 2nd-opinion                         |     Focuses:
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Comment (by nevis2us):

 I believe this function could be useful for core & plugin devs for the
 reasons stated above by flixos90. I think it should match
 `add_query_arg()` as close as possible. That is it should accept an array
 of keys and return `FALSE` not `NULL` if a key isn't in the query. If
 `$key` is an array and one of its keys is not available as query argument,
 the result array should include the key with value `FALSE`. Again to match
 `add_query_arg()` calling conventions. My 2p. Thank you.

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Ticket URL: <https://core.trac.wordpress.org/ticket/34699#comment:8>
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