Neos\Flow\Cache\CacheManager::getClassTag PHP Method

getClassTag() public static method

Whenever the specified class is modified, all cache entries tagged with the class are flushed. If an empty string is specified as class name, the returned tag means "this cache entry becomes invalid if any of the known classes changes".
Deprecation: Unused and described functionality does not exist.
public static getClassTag ( string $className = '' ) : string
$className string The class name
return string Class Tag
    public static function getClassTag($className = '')
    {
        return $className === '' ? FrontendInterface::TAG_CLASS : FrontendInterface::TAG_CLASS . str_replace('\\', '_', $className);
    }