liip / LiipImagineBundle

     *

     * @return array

     */

    private function sanitizeFilters(array $filters): array

    {

        $sanitized = array_filter($filters, function (string $name): bool {

            return isset($this->loaders[$name]);

        }, ARRAY_FILTER_USE_KEY);

        if (count($filters) !== count($sanitized)) {

            throw new \InvalidArgumentException(sprintf('Could not find filter(s): %s', implode(', ', array_map(function (string $name): string {

                return sprintf('"%s"', $name);

            }, array_diff(array_keys($filters), array_keys($sanitized))))));

        }

        return $sanitized;

    }

    /**

     * @param array $processors

     *

     * @return array

     */

    private function sanitizePostProcessors(array $processors): array

    {

        $sanitized = array_filter($processors, function (string $name): bool {

            return isset($this->postProcessors[$name]);

        }, ARRAY_FILTER_USE_KEY);

        if (count($processors) !== count($sanitized)) {

            throw new \InvalidArgumentException(sprintf('Could not find post processor(s): %s', implode(', ', array_map(function (string $name): string {

                return sprintf('"%s"', $name);

            }, array_diff(array_keys($processors), array_keys($sanitized))))));

        }

        return $sanitized;

    }

    /**

     * We are done with the image object so we can destruct the this because imagick keeps consuming memory if we don't.