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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 |
---|---|
86 | add_user_to_blog( $id, $user_id, $_POST['new_role'] ); |
87 | $update = 'newuser'; |
88 | /** |
89 | * Fires after a user has been created via the network site-users.php page. |
90 | * |
91 | * @since 4.4.0 |
92 | * |
93 | * @param int $user_id ID of the newly created user. |
94 | */ |
95 | do_action( 'network_site_users_created_user', $user_id ); |
96 | } |
97 | } |
98 | break; |
99 |
|
100 | case 'adduser': |
101 | check_admin_referer( 'add-user', '_wpnonce_add-user' ); |
102 | if ( !empty( $_POST['newuser'] ) ) { |
103 | $update = 'adduser'; |
104 | $newuser = $_POST['newuser']; |