get wordpress user role code example
Example 1: from user id to user role wordpress
$user_meta = get_userdata( $user_id );
$user_roles = $user_meta->roles; // array with all the roles the user is part of.
Example 2: wordpress check user against user roles
$user = wp_get_current_user();
if ( in_array( 'author', (array) $user->roles ) ) {
//The user has the "author" role
}