CallableNameFilter

13final class CallableNameFilter implements NameFilter14{15    /**16     * @var callable(string): string17     */18    private $callable;19 20    /**21     * @param callable(string): string $callable22     */23    public function __construct(callable $callable)24    {25        $this->callable = $callable;26    }27 28    /**29     * Method to create cache filename with.30     *31     * The returning name MUST follow the rules for keys in PSR-16.32     *33     * @link https://www.php-fig.org/psr/psr-16/34     *35     * The returning name MUST be a string of at least one character36     * that uniquely identifies a cached item, MUST only contain the37     * characters A-Z, a-z, 0-9, _, and . in any order in UTF-8 encoding38     * and MUST not longer then 64 characters. The following characters39     * are reserved for future extensions and MUST NOT be used: {}()/\@:40     *41     * A provided implementing library MAY support additional characters42     * and encodings or longer lengths, but MUST support at least that43     * minimum.44     *45     * @param string $name The name for the cache will be most likely an url with query string46     *47     * @return string the new cache name48     */49    public function filter(string $name): string50    {51        return call_user_func($this->callable, $name);52    }53}