delete_{$meta_type}meta
Action Hook: Fires immediately before deleting post or comment metadata of a specific type.
Source: wp-includes/meta.php:1055
deleted_{$meta_type}meta
Action Hook: Fires immediately after deleting post or comment metadata of a specific type.
Source: wp-includes/meta.php:1086
update_meta_cache()
Function: Updates the metadata cache for the specified objects.
Source: wp-includes/meta.php:1109
wp_metadata_lazyloader()
Function: Retrieves the queue for lazy-loading metadata.
Source: wp-includes/meta.php:1215
delete_{$meta_type}_metadata
Filter Hook: Short-circuits deleting metadata of a specific type.
Source: wp-includes/meta.php:428
delete_{$meta_type}_meta
Action Hook: Fires immediately before deleting metadata of a specific type.
Source: wp-includes/meta.php:479
delete_postmeta
Action Hook: Fires immediately before deleting metadata for a post.
Source: wp-includes/meta.php:490
deleted_{$meta_type}_meta
Action Hook: Fires immediately after deleting metadata of a specific type.
Source: wp-includes/meta.php:528
deleted_postmeta
Action Hook: Fires immediately after deleting metadata for a post.
Source: wp-includes/meta.php:539
add_metadata()
Function: Adds metadata for the specified object.
Source: wp-includes/meta.php:32