2020-05-01 / 3870阅 / 悠然
Retrieves category data given a category ID or category object.
If you pass the $category parameter an object, which is assumed to be the category row object retrieved the database. It will cache the category data.
If you pass $category an integer of the category ID, then that category will be retrieved from the database, if it isn’t already cached, and pass it back.
If you look at get_term(), then both types will be passed through several filters and finally sanitized based>
(int|object)
(Required)
Category ID or Category row object
(string)
(Optional)
The required return type.>WP_Term object, an associative array, or a numeric array, respectively.
Default value: OBJECT
(string)
(Optional)
Default is raw or no WordPress defined filter will applied.
Default value: 'raw'
(object|array|WP_Error|null) Category data in type defined by $output parameter. WP_Error if $category is empty, null if it does not exist.