What is WordPress Hook: update_{$meta_type}_metadata
The update_{$meta_type}_metadata hook in WordPress is used to perform actions before or after updating metadata of a specific type, such as post, user, or term metadata.
Understanding the Hook: update_{$meta_type}_metadata
The update_{$meta_type}_metadata hook is located within the update_metadata function in the WordPress core. It allows developers to execute custom code before or after metadata of a specific type is updated.
Hook Parameters (if applicable): update_{$meta_type}_metadata
The update_{$meta_type}_metadata hook accepts parameters such as $meta_id, $object_id, $meta_key, $meta_value, and $prev_value. These parameters provide information about the metadata being updated and allow developers to manipulate the data as needed.
Hook Doesn’t Work: update_{$meta_type}_metadata
If the update_{$meta_type}_metadata hook doesn’t work as expected, it may be due to incorrect usage or conflicts with other hooks or functions. Developers should ensure that the hook is being added and executed correctly, and check for any conflicting code that may interfere with its functionality.
Best Practices & Usage Notes (if applicable): update_{$meta_type}_metadata
When using the update_{$meta_type}_metadata hook, it’s important to consider the specific type of metadata being updated and handle the data accordingly. Developers should also be mindful of any limitations or restrictions related to the metadata type, and ensure that their custom code aligns with WordPress best practices.
Usage Example: update_{$meta_type}_metadata
“`php
function custom_metadata_update( $meta_id, $object_id, $meta_key, $meta_value, $prev_value ) {
// Add custom code to handle metadata update
}
add_action( ‘update_post_metadata’, ‘custom_metadata_update’, 10, 5 );
“`
In this example, the update_post_metadata hook is used to execute the custom_metadata_update function before or after post metadata is updated, allowing developers to perform additional actions based on the updated metadata.
