keyName = $keyName;
$this->optional = $optional;
$this->valueType = $valueType;
}
public function __toString(): string
{
if ($this->keyName !== null) {
return sprintf(
'%s%s: %s',
(string) $this->keyName,
$this->optional ? '?' : '',
(string) $this->valueType,
);
}
return (string) $this->valueType;
}
/**
* @param array $properties
*/
public static function __set_state(array $properties): self
{
$instance = new self($properties['keyName'], $properties['optional'], $properties['valueType']);
if (isset($properties['attributes'])) {
foreach ($properties['attributes'] as $key => $value) {
$instance->setAttribute($key, $value);
}
}
return $instance;
}
}