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<?php
namespace DjThossi\SmokeTestingPhp\ValueObject;
use DjThossi\Ensure\EnsureIsNotEmptyTrait;
use DjThossi\Ensure\EnsureIsStringTrait;
class HeaderKey
{
use EnsureIsStringTrait;
use EnsureIsNotEmptyTrait;
const KEY_IS_NOT_A_STRING = 1;
const KEY_IS_EMPTY = 2;
/**
* @var string
*/
private $key;
* @param string $key
public function __construct($key)
$this->ensureKey($key);
$this->key = $key;
}
* @return string
public function asString()
return $this->key;
* @param mixed $key
private function ensureKey($key)
$this->ensureIsString('Key', $key, self::KEY_IS_NOT_A_STRING);
$this->ensureIsNotEmpty('Key', $key, self::KEY_IS_EMPTY);
DjThossi /
smoke-testing-php
