chillerlan / php-traits

	 * @return \chillerlan\Traits\ArrayHelpers\ByteArray|mixed

	 * @throws \chillerlan\Traits\TraitException

	 */

	public function fromHex(string $hex):ByteArray{

		$hex = preg_replace('/[\s\r\n\t ]/', '', $hex);

		if(!$this->isAllowedHex($hex)){

			throw new TraitException('invalid hex string');

		}

		return $this->fromString(pack('H*', $hex));

	}

	/**

	 * checks if the given (trimmed) JSON string is a an array that contains numbers: [1, 2, 3]

	 * @return \chillerlan\Traits\ArrayHelpers\ByteArray|mixed

	 * @throws \chillerlan\Traits\TraitException

	 */

	public function fromBase64(string $base64):ByteArray{

		$base64 = trim($base64);

		if(!$this->isAllowedBase64($base64)){

			throw new TraitException('invalid base64 string');

		}

		return $this->fromString(base64_decode($base64));

	}

	/**

	 * checks if the given (trimmed) string is a binary string: [01] in multiples of 8