[wp-trac] [WordPress Trac] #47314: Add "parent" parameter to get_term_by

[WordPress Trac]

#47314: Add "parent" parameter to get_term_by
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 Reporter:  leogermani       |      Owner:  (none)
     Type:  feature request  |     Status:  new
 Priority:  normal           |  Milestone:  Awaiting Review
Component:  Taxonomy         |    Version:
 Severity:  normal           |   Keywords:
  Focuses:                   |
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 There has been some discussion around some inconsistencies in the way
 `term_exists()` handles the input string and sometimes can have
 unexpeceted results. The most recent discussions about this can be seen in
 #47099, #45333 and #32248.

 The current recommendation is to use `get_term_by()` instead, so you can
 explicitly inform what field you are checking and get the right result.

 However, `get_term_by()` does not support a `parent` argument, which makes
 it not a full `term_exists()` replacement.

 In #47099 @boonebgorges suggested we opened an enhancement ticket to
 discuss this addition to this function. And here it is! :)

 Looking at the function and all parameters it gets, we would have to
 decide how to support this.

 This would be the first question to ask if one was to try an approach for
 this. Adding as a new parameter does not look so good because there
 already many and it would force the developer to use all of them if he/she
 wanted to use `parent`. However adding support for a field like
 `name_and_parent` or something like this, and having an array passed as
 the `$value` doesn't look so pretty either.

 What do you think?

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Ticket URL: <https://core.trac.wordpress.org/ticket/47314>
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