[wp-trac] [WordPress Trac] #55838: Warning: strip_tags() expects parameter 1 to be string, array given in wp-includes/formatting.php:2246

[WordPress Trac]

#55838: Warning: strip_tags() expects parameter 1 to be string, array given in wp-
includes/formatting.php:2246
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 Reporter:  dd32               |       Owner:  (none)
     Type:  defect (bug)       |      Status:  new
 Priority:  normal             |   Milestone:  6.1
Component:  Posts, Post Types  |     Version:
 Severity:  normal             |  Resolution:
 Keywords:  has-patch          |     Focuses:  rest-api
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Comment (by TimothyBlynJacobs):

 Updating `wp_parse_slug_list` makes the most sense to me.

 Additionally, we should also drop the `sanitize_callback` that is included
 for the `slug` query parameter. The REST API schema validation will
 properly validate the value as an array of strings and allow the same
 behavior of including a comma-separated list.

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Ticket URL: <https://core.trac.wordpress.org/ticket/55838#comment:2>
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