register_meta()

Function: Registers a meta key.

Source: wp-includes/meta.php:1399

Used by 0 functions | Uses 5 functions

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:1348

Used by 1 function | Uses 0 functions

Function: Checks if a meta key is registered.

Source: wp-includes/meta.php:1590

Used by 2 functions | Uses 1 function

Filter Hook: Filters the registration arguments when registering meta.

Source: wp-includes/meta.php:1447

Used by 1 function | Uses 0 functions

Function: Unregisters a meta key from the list of registered keys.

Source: wp-includes/meta.php:1608

Used by 0 functions | Uses 2 functions

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

Source: wp-includes/meta.php:1657

Used by 2 functions | Uses 0 functions

Function: Retrieves registered metadata for a specified object.

Source: wp-includes/meta.php:1683

Used by 0 functions | Uses 4 functions

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

Source: wp-includes/deprecated.php:4056

Used by 0 functions | Uses 0 functions

Function: Retrieves metadata by meta ID.

Source: wp-includes/meta.php:790

Used by 2 functions | Uses 3 functions

Action Hook: Fires immediately before deleting metadata of a specific type.

Source: wp-includes/meta.php:479

Used by 2 functions | Uses 0 functions