public function getBankName($orderIndex = 0)
    {
        $bankInfo = $this->getBankInfo($orderIndex);
        return array_key_exists('bankName', $bankInfo) ? $bankInfo['bankName'] : null;
    }
public function getBankName($orderIndex = 0)
    {
        $bankInfo = $this->getBankInfo($orderIndex);
        return array_key_exists('bankName', $bankInfo) ? $bankInfo['bankName'] : null;
    }
public function getBankName ( $ orderIndex = 0 ) { $ bankInfo = $ this -> getBankInfo ( $ orderIndex ) ; return array_key_exists ( 'bankName' , $ bankInfo ) ? $ bankInfo [ 'bankName' ] : null ; }
Name of the issuing bank.

@param int $orderIndex
@return mixed|null
Name of the issuing bank .