delete_metadata()

参数

$meta_type

(string)
(Required)
Type of object metadata is for. Accepts 'post', 'comment', 'term', 'user', or any other object type with an associated meta table.

$object_id

(int)
(Required)
ID of the object metadata is for.

$meta_key

(string)
(Required)
Metadata key.

$meta_value

(mixed)
(Optional)
Metadata value. Must be serializable if non-scalar. If specified,>Default value: ''

$delete_all

(bool)
(Optional)
If true, delete matching metadata entries for all objects, ignoring the specified object_id. Otherwise,>Default value: false