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update_{$meta_type}_metadata ›

Since3.1.0
已弃用n/a
apply_filters( "update_{$meta_type}_metadata", null, $object_id, $meta_key, $meta_value, $prev_value )
参数: (5)
  • (null|bool) $check Whether to allow updating metadata for the given type.
    Required: Yes
  • (int) $object_id Object ID.
    Required: Yes
  • (string) $meta_key Meta key.
    Required: Yes
  • (mixed) $meta_value Meta value. Must be serializable if non-scalar.
    Required: Yes
  • (mixed) $prev_value Optional. If specified, only update existing metadata entries with the specified value. Otherwise, update all entries.
    Required: Yes
定义在:
文档:

Filters whether to update metadata of a specific type.

The dynamic portion of the hook, $meta_type, refers to the meta object type (comment, post, term, or user). Returning a non-null value will effectively short-circuit the function.





源码

$check = apply_filters( "update_{$meta_type}_metadata", null, $object_id, $meta_key, $meta_value, $prev_value );