apply_filters( “default_{$meta_type}_metadata”, mixed $value, int $object_id, string $meta_key, bool $single, string $meta_type )

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Filters the default metadata value for a specified meta key and object.


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).

Possible filter names include:

  • default_post_metadata
  • default_comment_metadata
  • default_term_metadata
  • default_user_metadata


The value to return, either a single metadata value or an array of values depending on the value of $single.
ID of the object metadata is for.
Metadata key.
Whether to return only the first value of the specified $meta_key.
Type of object metadata is for. Accepts 'post', 'comment', 'term', 'user', or any other object type with an associated meta table.


$value = apply_filters( "default_{$meta_type}_metadata", $value, $object_id, $meta_key, $single, $meta_type );



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