register_meta_args
Filter Hook: Filters the registration arguments when registering meta.
Source: wp-includes/meta.php:1077
registered_meta_key_exists()
Function: Checks if a meta key is registered.
Source: wp-includes/meta.php:1133
unregister_meta_key()
Function: Unregisters a meta key from the list of registered keys.
Source: wp-includes/meta.php:1150
get_registered_meta_keys()
Function: Retrieves a list of registered meta keys for an object type.
Source: wp-includes/meta.php:1198
get_registered_metadata()
Function: Retrieves registered metadata for a specified object.
Source: wp-includes/meta.php:1223
_wp_register_meta_args_whitelist()
Function: Filter out `register_meta()` args based on a whitelist.
Source: wp-includes/meta.php:1269
delete_metadata_by_mid()
Function: Delete meta data by meta ID
Source: wp-includes/meta.php:710
wp_metadata_lazyloader()
Function: Retrieves the queue for lazy-loading metadata.
Source: wp-includes/meta.php:870
update_meta_cache()
Function: Update the metadata cache for the specified objects.
Source: wp-includes/meta.php:797
deleted_{$meta_type}meta
Action Hook: Fires immediately after deleting post or comment metadata of a specific type.
Source: wp-includes/meta.php:775