Encryption::__construct PHP Method

    private function __construct()
    {
    }

 /**
  *
  * @param string $cipher
  * @param string $password
  * @param string $salt
  * @param int $ivMaxChars null if you want a full iv. If you provide a number, the rest of the iv will be padded.
  * @param bool $useMd5NotRandom If true, the IV will be extracted from md5 of the data.
  * @param int $nonceChars
  * @param int $cipherIvLength If null, the iv length gets calculated with openssl_cipher_iv_length()
  * @param string $serializationFormat
  */
 public function __construct($cipher, $password, $salt, $ivMaxChars = 4, $useMd5NotRandom = false, $nonceChars = 5, $cipherIvLength = null, $serializationFormat = self::SERIALIZE_JSON)
 {
     parent::__construct($password, $salt, $serializationFormat);
     $this->cipher = $cipher;
     $cipherIvLength = (int) $cipherIvLength;
     $this->cipherIvLength = $cipherIvLength ? (int) $cipherIvLength : openssl_cipher_iv_length($this->cipher);
     $this->ivMaxChars = $ivMaxChars === null ? null : (int) $ivMaxChars;
     $this->nonceChars = (int) $nonceChars;
     $this->useMd5NotRandom = $useMd5NotRandom;
 }