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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 |
|---|---|
| 2437 | * Fires immediately after an existing user is updated. |
| 2438 | * |
| 2439 | * @since 2.0.0 |
| 2440 | * @since 5.8.0 The `$userdata` parameter was added. |
| 2441 | * |
| 2442 | * @param int $user_id User ID. |
| 2443 | * @param WP_User $old_user_data Object containing user's data prior to update. |
| 2444 | * @param array $userdata The raw array of data passed to wp_insert_user(). |
| 2445 | */ |
| 2446 | do_action( 'profile_update', $user_id, $old_user_data, $userdata ); |
| 2447 | |
| 2448 | if ( isset( $userdata['spam'] ) && $userdata['spam'] != $old_user_data->spam ) { |
| 2449 | if ( 1 == $userdata['spam'] ) { |
| 2450 | /** |
| 2451 | * Fires after the user is marked as a SPAM user. |
| 2452 | * |
| 2453 | * @since 3.0.0 |
| 2454 | * |
| 2455 | * @param int $user_id ID of the user marked as SPAM. |