Weak hands cannot be planted, meager skills have no foundation. Shallow wisdom is futile, how can one hope for a good name?扰扰从役倦，屑屑身事微。少壮轻年月，迟暮惜光辉。
getCacheKey($input);
return get_transient($cacheKey);
}
/**
* Set the cached result for the given input.
*
* @param string $input
* @param mixed $result
*