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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 |
|---|---|
| 409 | * @return bool True when finished. |
| 410 | */ |
| 411 | function wp_delete_user($id, $reassign = 'novalue') { |
| 412 | global $wpdb; |
| 413 | |
| 414 | $id = (int) $id; |
| 415 | $user = new WP_User($id); |
| 416 | |
| 417 | // allow for transaction statement |
| 418 | do_action('delete_user', $id); |
| 419 | |
| 420 | if ($reassign == 'novalue') { |
| 421 | $post_ids = $wpdb->get_col( $wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE post_author = %d", $id) ); |
| 422 | |
| 423 | if ($post_ids) { |
| 424 | foreach ($post_ids as $post_id) |
| 425 | wp_delete_post($post_id); |
| 426 | } |
| 427 | |