enableMySql() public method

Initialize Database connection
public enableMySql ( array $credential, string $table_prefix = null, string $encoding = 'utf8mb4' ) : Telegram
$credential array
$table_prefix string
$encoding string
return Telegram
 /**
  * setUp
  */
 protected function setUp()
 {
     $credentials = ['host' => PHPUNIT_DB_HOST, 'database' => PHPUNIT_DB_NAME, 'user' => PHPUNIT_DB_USER, 'password' => PHPUNIT_DB_PASS];
     $this->telegram = new Telegram('apikey', 'testbot');
     $this->telegram->enableMySql($credentials);
     //Make sure we start with an empty DB for each test.
     TestHelpers::emptyDB($credentials);
 }