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。
` as defined in Media RSS
*
* Used by {@see \SimplePie\Enclosure::get_credit()} and {@see \SimplePie\Enclosure::get_credits()}
*
* This class can be overloaded with {@see \SimplePie\SimplePie::set_credit_class()}
*/
class Credit
{
/**
* Credited role
*
* @var ?string
* @see get_role()
*/
public $role;
/**
* Organizational scheme
*
* @var ?string
* @see get_scheme()
*/
public $scheme;
/**
* Credited name
*
* @var ?string
* @see get_name()
*/
public $name;
/**
* Constructor, used to input the data
*
* For documentation on all the parameters, see the corresponding
* properties and their accessors
*/
public function __construct(
?string $role = null,
?string $scheme = null,
?string $name = null
) {
$this->role = $role;
$this->scheme = $scheme;
$this->name = $name;
}
/**
* String-ified version
*
* @return string
*/
public function __toString()
{
// There is no $this->data here
return md5(serialize($this));
}
/**
* Get the role of the person receiving credit
*
* @return string|null
*/
public function get_role()
{
if ($this->role !== null) {