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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 |
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20 |
|
21 | if ( ! current_user_can('create_users') ) |
22 | wp_die(__('You can’t create users.')); |
23 |
|
24 | $user_id = add_user(); |
25 |
|
26 | if ( is_wp_error( $user_id ) ) { |
27 | $add_user_errors = $user_id; |
28 | } else { |
29 | $new_user_login = apply_filters('pre_user_login', sanitize_user(stripslashes($_REQUEST['user_login']), true)); |
30 | $redirect = 'users.php?usersearch='. urlencode($new_user_login) . '&update=add'; |
31 | wp_redirect( $redirect . '#user-' . $user_id ); |
32 | die(); |
33 | } |
34 | } |
35 |
|
36 | $title = __('Add New User'); |
37 | $parent_file = 'users.php'; |
38 |
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