Filters whether the user is allowed to add post meta to a post of a given type.
Description
Use the auth_$object_type_$sub_type_meta_$meta_key filter to modify capabilities for specific object types/subtypes. Return true to have the mapped meta caps from edit_{$object_type} apply.
The dynamic portion of the hook name, $object_type refers to the object type being filtered. The dynamic portion of the hook name, $sub_type refers to the object subtype being filtered. The dynamic portion of the hook name, $meta_key, refers to the meta key passed to map_meta_cap() .
Parameters
$allowed
bool
Whether the user can add the post meta. Default false.
$meta_key
string
The meta key.
$post_id
int
Post ID.
$user_id
int
User ID.
$cap
string
Capability name.
$caps
array
User capabilities.
Source
File: wp-includes/capabilities.php.
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