rest_validate_null_value_from_schema() WordPress Function

The rest_validate_null_value_from_schema() function is used to check if a given value is of the correct type to be null according to the schema. It is used internally by the WordPress REST API to perform type validation on request data.

rest_validate_null_value_from_schema( mixed $value, string $param ) #

function rest_validate_null_value_from_schema( $value, $param ) {
	if ( null !== $value ) {
		return new WP_Error(
			'rest_invalid_type',
			/* translators: 1: Parameter, 2: Type name. */
			sprintf( __( '%1$s is not of type %2$s.' ), $param, 'null' ),
			array( 'param' => $param )
		);
	}

	return true;
}