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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 |
|---|---|
| 259 | * @param int $reassign Optional. Reassign posts and links to new User ID. |
| 260 | * @return bool True when finished. |
| 261 | */ |
| 262 | function wp_delete_user( $id, $reassign = 'novalue' ) { |
| 263 | global $wpdb; |
| 264 | |
| 265 | $id = (int) $id; |
| 266 | |
| 267 | // allow for transaction statement |
| 268 | do_action('delete_user', $id); |
| 269 | |
| 270 | if ( 'novalue' === $reassign || null === $reassign ) { |
| 271 | $post_ids = $wpdb->get_col( $wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE post_author = %d", $id) ); |
| 272 | |
| 273 | if ( $post_ids ) { |
| 274 | foreach ( $post_ids as $post_id ) |
| 275 | wp_delete_post($post_id); |
| 276 | } |
| 277 | |