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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 1928 | do_action( 'profile_update', $user_id, $old_user_data ); |
| 1929 | } else { |
| 1930 | /** |
| 1931 | * Fires immediately after a new user is registered. |
| 1932 | * |
| 1933 | * @since 1.5.0 |
| 1934 | * |
| 1935 | * @param int $user_id User ID. |
| 1936 | */ |
| 1937 | do_action( 'user_register', $user_id ); |
| 1938 | } |
| 1939 | |
| 1940 | return $user_id; |
| 1941 | } |
| 1942 | |
| 1943 | /** |
| 1944 | * Update an user in the database. |
| 1945 | * |
| 1946 | * It is possible to update a user's password by specifying the 'user_pass' |