ammit-php / ammit

     * @throws CommandMappingException If any mapping validation failed

     * @return int|null

     */

    public function mustBeIntegerOrEmpty(ServerRequestInterface $request, string $attributeKey, string $exceptionMessage = null)

    {

        $value = $this->extractValueFromRequestQueryString($request, $attributeKey);

        return $this->rawValueValidator->mustBeIntegerOrEmpty(

            $value,

            $attributeKey,

            $this,

            $exceptionMessage

        );

    }

}

     * @throws CommandMappingException If any mapping validation failed

     * @return int|null

     */

    public function mustBeIntegerOrEmpty(ServerRequestInterface $request, string $attributeKey, string $exceptionMessage = null)

    {

        $value = $this->extractValueFromRequestAttribute($request, $attributeKey);

        return $this->rawValueValidator->mustBeIntegerOrEmpty(

            $value,

            $attributeKey,

            $this,

            $exceptionMessage

        );

    }

    /**

     * Exceptions are caught in order to be processed later

     * @throws CommandMappingException If any mapping validation failed

     * @return int|null

     */

    public function mustBeIntegerOrEmpty(ServerRequestInterface $request, string $queryStringKey, string $exceptionMessage = null)

    {

        $value = $this->extractValueFromRequestQueryString($request, $queryStringKey);

        return $this->rawValueValidator->mustBeIntegerOrEmpty(

            $value,

            $queryStringKey,

            $this,

            $exceptionMessage

        );

    }

    /**

     * Exceptions are caught in order to be processed later