WP_Ability::validate_input( mixed $input = null ): true|WP_Error

465	public function validate_input( $input = null ) {466		$input_schema = $this->get_input_schema();467		if ( empty( $input_schema ) ) {468			if ( null === $input ) {469				return true;470			}471 472			return new WP_Error(473				'ability_missing_input_schema',474				sprintf(475					/* translators: %s ability name. */476					__( 'Ability "%s" does not define an input schema required to validate the provided input.' ),477					esc_html( $this->name )478				)479			);480		}481 482		$valid_input = rest_validate_value_from_schema( $input, $input_schema, 'input' );483		if ( is_wp_error( $valid_input ) ) {484			return new WP_Error(485				'ability_invalid_input',486				sprintf(487					/* translators: %1$s ability name, %2$s error message. */488					__( 'Ability "%1$s" has invalid input. Reason: %2$s' ),489					esc_html( $this->name ),490					$valid_input->get_error_message()491				)492			);493		}494 495		return true;496	}