What is WordPress Hook: deleted_{$meta_type}_meta
The deleted_{$meta_type}_meta hook is a specific WordPress hook that is triggered after metadata of a certain type is deleted from the database.
Understanding the Hook: deleted_{$meta_type}_meta
The deleted_{$meta_type}_meta hook is located within the WordPress process that handles the deletion of metadata. It allows developers to perform additional actions or tasks after metadata of a specific type is deleted.
Hook Parameters (if applicable): deleted_{$meta_type}_meta
The deleted_{$meta_type}_meta hook accepts parameters such as $meta_id, $object_id, $meta_key, and $meta_type. These parameters provide information about the deleted metadata and can be used by developers to perform custom actions.
Hook Doesn’t Work: deleted_{$meta_type}_meta
If the deleted_{$meta_type}_meta hook doesn’t work as expected, it could be due to incorrect usage or conflicts with other hooks or functions. Developers should ensure that the hook is properly implemented and that there are no conflicting actions being performed after the metadata deletion.
Best Practices & Usage Notes (if applicable): deleted_{$meta_type}_meta
When using the deleted_{$meta_type}_meta hook, it is important to consider the potential impact on performance, especially if additional tasks are being performed. Developers should also be mindful of the specific meta type being deleted and handle the hook accordingly.
Usage Example: deleted_{$meta_type}_meta
“`php
function custom_deleted_meta_action( $meta_id, $object_id, $meta_key, $meta_type ) {
// Perform custom actions after metadata deletion
// Example: Log the deleted metadata information
error_log( “Metadata with ID {$meta_id} and key {$meta_key} was deleted from object ID {$object_id} of type {$meta_type}” );
}
add_action( ‘deleted_post_meta’, ‘custom_deleted_meta_action’, 10, 4 );
“`
In this example, the deleted_{$meta_type}_meta hook is used to log information about the deleted metadata when it is associated with a post. Developers can customize the action function to suit their specific needs and requirements.