bp_rest_validate_member_types( mixed $value )

function bp_rest_validate_member_types( $value ) {
	if ( empty( $value ) ) {
		return true;
	}

	$types            = explode( ',', $value );
	$registered_types = bp_get_member_types();

	// Add the special value.
	$registered_types[] = 'any';
	foreach ( $types as $type ) {
		if ( ! in_array( $type, $registered_types, true ) ) {
			return new WP_Error(
				'bp_rest_invalid_member_type',
				sprintf(
				/* translators: %1$s and %2$s is replaced with the registered type(s) */
					__( 'The member type you provided, %1$s, is not one of %2$s.', 'buddyboss' ),
					$type,
					implode( ', ', $registered_types )
				)
			);
		}
	}
}