[wp-trac] [WordPress Trac] #37368: get_object_taxonomies() ignores output type argument for attachments

[WordPress Trac]

#37368: get_object_taxonomies() ignores output type argument for attachments
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 Reporter:  Rarst                     |       Owner:
     Type:  defect (bug)              |      Status:  closed
 Priority:  normal                    |   Milestone:  4.7
Component:  Taxonomy                  |     Version:  3.0
 Severity:  normal                    |  Resolution:  fixed
 Keywords:  good-first-bug has-patch  |     Focuses:
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Comment (by boonebgorges):

 Replying to [comment:12 swissspidy]:
 > This breaks on HHVM because `array_unique()` does a string comparison
 and cannot convert a `stdClass` object to a string.
 >
 > Could probably be solved by introducing `WP_Taxonomy` in #36224 with a
 `__toString()` method.

 Thanks, @swissspidy. `__toString()` would suppress the error. But in this
 case, running `array_unique()` doesn't do anything when `output=objects`,
 because `array_merge()` will cause duplicate indexes to overwrite each
 other. So let's save the cycles when we're fetching objects.

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Ticket URL: <https://core.trac.wordpress.org/ticket/37368#comment:13>
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