Filters the sanitization of a specific meta key of a specific meta type and subtype.
is_protected_meta
Filters whether a meta key is considered protected.
update_{$meta_type}_metadata_cache
Filters whether to update the metadata cache of a specific type.
deleted_{$meta_type}meta
Fires immediately after deleting post or comment metadata of a specific type.
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delete_{$meta_type}meta
Fires immediately before deleting post or comment metadata of a specific type.
delete_{$meta_type}_metadata_by_mid
Filters whether to delete metadata of a specific type by meta ID.
update_{$meta_type}_metadata_by_mid
Filters whether to update metadata of a specific type by meta ID.
get_{$meta_type}_metadata_by_mid
Filters whether to retrieve metadata of a specific type by meta ID.
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get_{$meta_type}_metadata
This filter is documented in wp-includes/meta.php
deleted_postmeta
Fires immediately after deleting metadata for a post.
deleted_{$meta_type}_meta
This action is documented in wp-includes/meta.php
delete_postmeta
Fires immediately before deleting metadata for a post.
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delete_{$meta_type}_meta
This action is documented in wp-includes/meta.php
delete_{$meta_type}_metadata
Filters whether to delete metadata of a specific type.
updated_postmeta
This action is documented in wp-includes/meta.php