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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 |
|---|---|
| 256 | |
| 257 | if ( ! current_user_can('create_users') ) |
| 258 | wp_die(__('You can’t create users.')); |
| 259 | |
| 260 | $user_id = add_user(); |
| 261 | $update = 'add'; |
| 262 | if ( is_wp_error( $user_id ) ) |
| 263 | $add_user_errors = $user_id; |
| 264 | else { |
| 265 | $new_user_login = apply_filters('pre_user_login', sanitize_user(stripslashes($_POST['user_login']), true)); |
| 266 | $redirect = add_query_arg( array('usersearch' => urlencode($new_user_login), 'update' => $update), $redirect ); |
| 267 | wp_redirect( $redirect . '#user-' . $user_id ); |
| 268 | die(); |
| 269 | } |
| 270 | |
| 271 | default: |
| 272 | wp_enqueue_script('admin-users'); |
| 273 | |
| 274 | include('admin-header.php'); |