File: wp-includes/meta.php

function_wp_register_meta_args_allowed_list()

Filters out `register_meta()` args based on an allowed list.

Used by 1 function | Uses 0 functions | Source: wp-includes/meta.php:1784
functionfilter_default_metadata()

Filters into default_{$object_type}_metadata and adds in default value.

Used by 0 functions | Uses 2 functions | Source: wp-includes/meta.php:1584
functionget_metadata_default()

Retrieves default metadata value for the specified meta key and object.

Used by 1 function | Uses 2 functions | Source: wp-includes/meta.php:712
hookdefault_{$meta_type}_metadata

Filters the default metadata value for a specified meta key and object.

Used by 1 function | Uses 0 functions | Source: wp-includes/meta.php:743
functionget_metadata_raw()

Retrieves raw metadata value for the specified object.

Used by 6 functions | Uses 5 functions | Source: wp-includes/meta.php:628
hookget_{$meta_type}_metadata_by_mid

Short-circuits the return value when fetching a meta field by meta ID.

Used by 1 function | Uses 0 functions | Source: wp-includes/meta.php:854
hookupdate_{$meta_type}_metadata_by_mid

Short-circuits updating metadata of a specific type by meta ID.

Used by 1 function | Uses 0 functions | Source: wp-includes/meta.php:931
hookdelete_{$meta_type}_metadata_by_mid

Short-circuits deleting metadata of a specific type by meta ID.

Used by 1 function | Uses 0 functions | Source: wp-includes/meta.php:1055
hookupdate_{$meta_type}_metadata_cache

Short-circuits updating the metadata cache of a specific type.

Used by 1 function | Uses 0 functions | Source: wp-includes/meta.php:1178
functionget_object_subtype()

Returns the object subtype for a given object ID of a specific type.

Used by 8 functions | Uses 5 functions | Source: wp-includes/meta.php:1798
hookget_object_subtype_{$object_type}

Filters the object subtype identifier.

Used by 1 function | Uses 0 functions | Source: wp-includes/meta.php:1858
hooksanitize_{$object_type}_meta_{$meta_key}_for_{$object_subtype}

Filters the sanitization of a specific meta key of a specific meta type and subtype.

Used by 1 function | Uses 0 functions | Source: wp-includes/meta.php:1360
hookregister_meta_args

Filters the registration arguments when registering meta.

Used by 1 function | Uses 0 functions | Source: wp-includes/meta.php:1485
functionregistered_meta_key_exists()

Checks if a meta key is registered.

Used by 2 functions | Uses 1 function | Source: wp-includes/meta.php:1641
functionunregister_meta_key()

Unregisters a meta key from the list of registered keys.

Used by 2 functions | Uses 2 functions | Source: wp-includes/meta.php:1661
functionget_registered_meta_keys()

Retrieves a list of registered metadata args for an object type, keyed by their meta keys.

Used by 5 functions | Uses 0 functions | Source: wp-includes/meta.php:1712
functionget_registered_metadata()

Retrieves registered metadata for a specified object.

Used by 0 functions | Uses 4 functions | Source: wp-includes/meta.php:1738
hooksanitize_{$object_type}_meta_{$meta_key}

Filters the sanitization of a specific meta key of a specific meta type.

Used by 1 function | Uses 0 functions | Source: wp-includes/meta.php:1377
functionwp_metadata_lazyloader()

Retrieves the queue for lazy-loading metadata.

Used by 3 functions | Uses 1 function | Source: wp-includes/meta.php:1244
functionget_meta_sql()

Given a meta query, generates SQL clauses to be appended to a main query.

Used by 0 functions | Uses 1 function | Source: wp-includes/meta.php:1274
function_get_meta_table()

Retrieves the name of the metadata table for the specified object type.

Used by 8 functions | Uses 0 functions | Source: wp-includes/meta.php:1290
functionis_protected_meta()

Determines whether a meta key is considered protected.

Used by 11 functions | Uses 1 function | Source: wp-includes/meta.php:1312
hookis_protected_meta

Filters whether a meta key is considered protected.

Used by 1 function | Uses 0 functions | Source: wp-includes/meta.php:1326
functionsanitize_meta()

Sanitizes meta value.

Used by 4 functions | Uses 2 functions | Source: wp-includes/meta.php:1342
hooksanitize_{$meta_type}_meta_{$meta_key}

Filter the sanitization of a specific meta key of a specific meta type.

Used by 0 functions | Uses 0 functions | Source: wp-includes/meta.php:961
functionregister_meta()

Registers a meta key.

Used by 4 functions | Uses 10 functions | Source: wp-includes/meta.php:1435
hookupdate_postmeta

Fires immediately before updating a post’s metadata.

Used by 2 functions | Uses 0 functions | Source: wp-includes/meta.php:320
hookdeleted_{$meta_type}meta

Fires immediately after deleting post or comment metadata of a specific type.

Used by 1 function | Uses 0 functions | Source: wp-includes/meta.php:1114
hookupdated_{$meta_type}_meta

Fires immediately after updating metadata of a specific type.

Used by 2 functions | Uses 0 functions | Source: wp-includes/meta.php:353
functionupdate_meta_cache()

Updates the metadata cache for the specified objects.

Used by 9 functions | Uses 6 functions | Source: wp-includes/meta.php:1137