get_registered_meta_keys()
Function: Retrieves a list of registered meta keys for an object type.
Source: wp-includes/meta.php:1137
get_registered_metadata()
Function: Retrieves registered metadata for a specified object.
Source: wp-includes/meta.php:1159
_wp_register_meta_args_whitelist()
Function: Filter out `register_meta()` args based on a whitelist.
Source: wp-includes/meta.php:1200
register_meta_args
Filter Hook: Filters the registration arguments when registering meta.
Source: wp-includes/meta.php:1034
registered_meta_key_exists()
Function: Checks if a meta key is registered.
Source: wp-includes/meta.php:1075
unregister_meta_key()
Function: Unregisters a meta key from the list of registered keys.
Source: wp-includes/meta.php:1102
sanitize_{$object_type}_meta_{$meta_key}
Filter Hook: Filters the sanitization of a specific meta key of a specific meta type.
Source: wp-includes/meta.php:959
wp_metadata_lazyloader()
Function: Retrieves the queue for lazy-loading metadata.
Source: wp-includes/meta.php:860
_get_meta_table()
Function: Retrieve the name of the metadata table for the specified object type.
Source: wp-includes/meta.php:899
is_protected_meta()
Function: Determine whether a meta key is protected.
Source: wp-includes/meta.php:919
is_protected_meta
Filter Hook: Filters whether a meta key is protected.
Source: wp-includes/meta.php:931
sanitize_meta()
Function: Sanitize meta value.
Source: wp-includes/meta.php:945
sanitize_{$meta_type}_meta_{$meta_key}
Filter Hook: Filter the sanitization of a specific meta key of a specific meta type.
Source: wp-includes/meta.php:961
register_meta()
Function: Registers a meta key.
Source: wp-includes/meta.php:989
get_meta_sql()
Function: Given a meta query, generates SQL clauses to be appended to a main query.
Source: wp-includes/meta.php:884
deleted_postmeta
Action Hook: Fires immediately after deleting metadata for a post.
Source: wp-includes/meta.php:440
update_{$meta_type}_metadata
Filter Hook: Filters whether to update metadata of a specific type.
Source: wp-includes/meta.php:187
get_metadata()
Function: Retrieve metadata for the specified object.
Source: wp-includes/meta.php:460
update_{$meta_type}_meta
Action Hook: Fires immediately before updating metadata of a specific type.
Source: wp-includes/meta.php:230
get_{$meta_type}_metadata
Filter Hook: Filters whether to retrieve metadata of a specific type.
Source: wp-includes/meta.php:485
update_postmeta
Action Hook: Fires immediately before updating a post’s metadata.
Source: wp-includes/meta.php:243
metadata_exists()
Function: Determine if a meta key is set for a given object
Source: wp-includes/meta.php:527
updated_{$meta_type}_meta
Action Hook: Fires immediately after updating metadata of a specific type.
Source: wp-includes/meta.php:267
get_metadata_by_mid()
Function: Get meta data by meta ID
Source: wp-includes/meta.php:566
updated_postmeta
Action Hook: Fires immediately after updating a post’s metadata.
Source: wp-includes/meta.php:280
update_metadata_by_mid()
Function: Update meta data by meta ID
Source: wp-includes/meta.php:609
delete_metadata()
Function: Delete metadata for the specified object.
Source: wp-includes/meta.php:307
delete_metadata_by_mid()
Function: Delete meta data by meta ID
Source: wp-includes/meta.php:700
delete_{$meta_type}_metadata
Filter Hook: Filters whether to delete metadata of a specific type.
Source: wp-includes/meta.php:347
delete_{$meta_type}meta
Action Hook: Fires immediately before deleting post or comment metadata of a specific type.
Source: wp-includes/meta.php:741
