apply_filters( "add_{$meta_type}_metadata", null|bool $check , int $object_id , string $meta_key , mixed $meta_value , bool $unique )
Short-circuits adding metadata of a specific type.
Description
The dynamic portion of the hook name, $meta_type, refers to the meta object type (post, comment, term, user, or any other type with an associated meta table).
Returning a non-null value will effectively short-circuit the function.
Possible hook names include:
add_post_metadataadd_comment_metadataadd_term_metadataadd_user_metadata
Parameters
- $check
-
Whether to allow adding metadata for the given type.
- $object_id
-
ID of the object metadata is for.
- $meta_key
-
Metadata key.
- $meta_value
-
Metadata value. Must be serializable if non-scalar.
- $unique
-
Whether the specified meta key should be unique for the object.
Source
File: wp-includes/meta.php
Changelog
| Version | Description |
|---|---|
| 3.1.0 | Introduced. |