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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 |
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517 |
|
518 | /** |
519 | * Fires immediately after the user has been given a new role. |
520 | * |
521 | * @since 4.3.0 |
522 | * |
523 | * @param int $user_id The user ID. |
524 | * @param string $role The new role. |
525 | */ |
526 | do_action( 'add_user_role', $this->ID, $role ); |
527 | } |
528 |
|
529 | /** |
530 | * Remove role from user. |
531 | * |
532 | * @since 2.0.0 |
533 | * @access public |
534 | * |
535 | * @param string $role Role name. |