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update_{$meta_type}_metadata › WordPress过滤钩子

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 ID of the object metadata is for.
    Required: Yes
  • (string) $meta_key Metadata key.
    Required: Yes
  • (mixed) $meta_value Metadata value. Must be serializable if non-scalar.
    Required: Yes
  • (mixed) $prev_value Optional. Previous value to check before updating. If specified, only update existing metadata entries with this value. Otherwise, update all entries.
    Required: Yes
定义在:
文档:

Short-circuits updating metadata of a specific type.

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:

  • update_post_metadata
  • update_comment_metadata
  • update_term_metadata
  • update_user_metadata




源码

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