get_object_subtype_{$object_type}
Filter Hook: Filters the object subtype identifier for a non-standard object type.
Source: wp-includes/meta.php:1802
unregister_meta_key()
Function: Unregisters a meta key from the list of registered keys.
Source: wp-includes/meta.php:1608
get_registered_meta_keys()
Function: Retrieves a list of registered metadata args for an object type, keyed by their meta keys.
Source: wp-includes/meta.php:1657
get_registered_metadata()
Function: Retrieves registered metadata for a specified object.
Source: wp-includes/meta.php:1683
get_meta_sql()
Function: Given a meta query, generates SQL clauses to be appended to a main query.
Source: wp-includes/meta.php:1245
_get_meta_table()
Function: Retrieves the name of the metadata table for the specified object type.
Source: wp-includes/meta.php:1261
is_protected_meta()
Function: Determines whether a meta key is considered protected.
Source: wp-includes/meta.php:1283
is_protected_meta
Filter Hook: Filters whether a meta key is considered protected.
Source: wp-includes/meta.php:1297
sanitize_meta()
Function: Sanitizes meta value.
Source: wp-includes/meta.php:1313
sanitize_{$object_type}_meta_{$meta_key}_for_{$object_subtype}
Filter Hook: Filters the sanitization of a specific meta key of a specific meta type and subtype.
Source: wp-includes/meta.php:1331