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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.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 582 | |
| 583 | /** |
| 584 | * Fires immediately after a role as been removed from a user. |
| 585 | * |
| 586 | * @since 4.3.0 |
| 587 | * |
| 588 | * @param int $user_id The user ID. |
| 589 | * @param string $role The removed role. |
| 590 | */ |
| 591 | do_action( 'remove_user_role', $this->ID, $role ); |
| 592 | } |
| 593 | |
| 594 | /** |
| 595 | * Sets the role of the user. |
| 596 | * |
| 597 | * This will remove the previous roles of the user and assign the user the |
| 598 | * new one. You can set the role to an empty string and it will remove all |
| 599 | * of the roles from the user. |
| 600 | * |
| Line | Code |
| 624 | $this->get_role_caps(); |
| 625 | $this->update_user_level_from_caps(); |
| 626 | |
| 627 | foreach ( $old_roles as $old_role ) { |
| 628 | if ( ! $old_role || $old_role === $role ) { |
| 629 | continue; |
| 630 | } |
| 631 | |
| 632 | /** This action is documented in wp-includes/class-wp-user.php */ |
| 633 | do_action( 'remove_user_role', $this->ID, $old_role ); |
| 634 | } |
| 635 | |
| 636 | if ( $role && ! in_array( $role, $old_roles, true ) ) { |
| 637 | /** This action is documented in wp-includes/class-wp-user.php */ |
| 638 | do_action( 'add_user_role', $this->ID, $role ); |
| 639 | } |
| 640 | |
| 641 | /** |
| 642 | * Fires after the user's role has changed. |