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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 | deprecated_file_included | action | no | wp-includes/functions.php | |
2 | deprecated_function_run | action | no | wp-includes/functions.php | |
3 | do_robotstxt | action | no | wp-includes/functions.php | |
4 | {$hook} | note | action | no | wp-includes/functions.php |
5 | add_option_{$name} | note | action | no | wp-includes/functions.php |
6 | update_option_{$option_name} | note | action | no | wp-includes/functions.php |
7 | upload_mimes | filter | no | wp-includes/functions.php | |
8 | timezone_support | filter | no | wp-includes/functions.php | |
9 | timezone_support | filter | YES | wp-includes/functions.php | |
10 | deprecated_file_trigger_error | filter | no | wp-includes/functions.php | |
11 | deprecated_function_trigger_error | filter | no | wp-includes/functions.php | |
12 | load_default_widgets | filter | YES | wp-includes/functions.php | |
13 | explain_nonce_{$action} | note | filter | YES | wp-includes/functions.php |
14 | explain_nonce_{$verb}-{$noun} | note | filter | no | wp-includes/functions.php |
15 | date_i18n | filter | YES | wp-includes/functions.php | |
16 | ext2type | filter | no | wp-includes/functions.php | |
17 | upload_dir | filter | no | wp-includes/functions.php | |
18 | nocache_headers | filter | YES | wp-includes/functions.php | |
19 | status_header | filter | no | wp-includes/functions.php | |
20 | transient_{$transient} | note | filter | YES | wp-includes/functions.php |
21 | pre_transient_{$transient} | note | filter | YES | wp-includes/functions.php |
22 | pre_update_option_{$option_name} | note | filter | no | wp-includes/functions.php |
23 | all_options | filter | no | wp-includes/functions.php | |
24 | pre_option_{$option->option_name} | note | filter | no | wp-includes/functions.php |
25 | option_{$setting} | note | filter | no | wp-includes/functions.php |
26 | pre_option_{$setting} | note | filter | no | wp-includes/functions.php |
27 | number_format_i18n | filter | YES | wp-includes/functions.php |
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.