update_postmeta WordPress Action Hook
The update_postmeta Wordpress hook is called whenever a postmeta value is updated. This hook can be used to perform an action whenever a postmeta value is updated.
do_action( 'update_postmeta', int $meta_id , int $object_id , string $meta_key , mixed $meta_value ) #
Fires immediately before updating a post’s metadata.
Parameters
- $meta_id
(int)ID of metadata entry to update.
- $object_id
(int)Post ID.
- $meta_key
(string)Metadata key.
- $meta_value
(mixed)Metadata value. This will be a PHP-serialized string representation of the value if the value is an array, an object, or itself a PHP-serialized string.
Source
File: wp-includes/meta.php
Changelog
| Version | Description |
|---|---|
| 2.9.0 | Introduced. |