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Hooks in wp-includes/meta.php

WP version: 5.7

Important! Some hooks get applied in multiple files. If you are trying to figure out what a specific hook does, you need to look in all the files that apply the hook. Click the "details" link next to any hook for more information.

Hook Type New? File
1 added_{$meta_type}_meta note action no wp-includes/meta.php
2 add_{$meta_type}_meta note action no wp-includes/meta.php
3 add_{$meta_type}_metadata note filter no wp-includes/meta.php
4 default_{$meta_type}_metadata note filter no wp-includes/meta.php
5 deleted_postmeta action no wp-includes/meta.php
6 deleted_{$meta_type}meta note action no wp-includes/meta.php
7 deleted_{$meta_type}_meta note action no wp-includes/meta.php
8 deleted_{$meta_type}_meta note action no wp-includes/meta.php
9 delete_postmeta action no wp-includes/meta.php
10 delete_{$meta_type}meta note action no wp-includes/meta.php
11 delete_{$meta_type}_meta note action no wp-includes/meta.php
12 delete_{$meta_type}_meta note action no wp-includes/meta.php
13 delete_{$meta_type}_metadata note filter no wp-includes/meta.php
14 delete_{$meta_type}_metadata_by_mid note filter no wp-includes/meta.php
15 get_object_subtype_{$object_type} note filter no wp-includes/meta.php
16 get_{$meta_type}_metadata note filter no wp-includes/meta.php
17 get_{$meta_type}_metadata note filter no wp-includes/meta.php
18 get_{$meta_type}_metadata_by_mid note filter no wp-includes/meta.php
19 is_protected_meta filter no wp-includes/meta.php
20 register_meta_args filter no wp-includes/meta.php
21 sanitize_{$object_type}_meta_{$meta_key} note filter no wp-includes/meta.php
22 sanitize_{$object_type}_meta_{$meta_key}_for_{$object_subtype} note filter no wp-includes/meta.php
23 updated_postmeta action no wp-includes/meta.php
24 updated_postmeta action no wp-includes/meta.php
25 updated_{$meta_type}_meta note action no wp-includes/meta.php
26 updated_{$meta_type}_meta note action no wp-includes/meta.php
27 update_postmeta action no wp-includes/meta.php
28 update_postmeta action no wp-includes/meta.php
29 update_{$meta_type}_meta note action no wp-includes/meta.php
30 update_{$meta_type}_meta note action no wp-includes/meta.php
31 update_{$meta_type}_metadata note filter no wp-includes/meta.php
32 update_{$meta_type}_metadata_by_mid note filter no wp-includes/meta.php
33 update_{$meta_type}_metadata_cache note filter no wp-includes/meta.php

Important warning about variable hooks

Some hooks have variables in their names. For example, pre_${taxonomy}_$field and admin_head- both have variable names. In general, any hook that ends (or begins) with - or _, or contains a $, has a variable name. Since the syntax with which these variables are defined may change from version to version, this page may think that a hook is deprecated (or new) even if it is not. You can usually catch this sort of thing by comparing this hook to the list of "related hooks" below.