QR code payment (CZ)

A simple library to generate QR payment code for Czech Republic. All methods are documented in source code.

See also QR code payment generator for Slovak accounts.

Installation

Via composer: composer require rikudou/czqrpayment

Manually: clone the repository and include the QrPaymentException.php, QrPaymentOptions.php and QrPayment.php in your project.

Usage

You can create the Qr payment from account number and bank code or from IBAN.

From account number and bank code:

<?php

use rikudou\CzQrPayment\QrPayment;

$payment = new QrPayment(1325090010, 3030);

From IBAN:

<?php

use rikudou\CzQrPayment\QrPayment;

$payment = QrPayment::fromIBAN("CZ5530300000001325090010");

Setting payment details

There are two approaches to setting payment details. You can set them in associative array or using the methods provided in the class.

Using associative array

<?php

use rikudou\CzQrPayment\QrPayment;
use rikudou\CzQrPayment\QrPaymentOptions;

$payment = new QrPayment(1325090010, 3030, [
  QrPaymentOptions::VARIABLE_SYMBOL => 123456,
  QrPaymentOptions::AMOUNT => 100,
  QrPaymentOptions::CURRENCY => "CZK",
  QrPaymentOptions::DUE_DATE => date("Y-m-d", strtotime("+14 days"))
]);

// or you can assign the options later via setOptions()

$payment->setOptions([
  QrPaymentOptions::VARIABLE_SYMBOL => 123456,
  QrPaymentOptions::AMOUNT => 100,
  QrPaymentOptions::CURRENCY => "CZK",
  QrPaymentOptions::DUE_DATE => date("Y-m-d", strtotime("+14 days"))
]);

Using methods

<?php
use rikudou\CzQrPayment\QrPayment;

$payment = new QrPayment(1325090010, 3030);
$payment->setVariableSymbol(123456)->setAmount(100)->setCurrency("CZK")->setDueDate(date("Y-m-d", strtotime("+14 days")));

Exceptions

The only exception thrown by this library is rikudou\CzQrPayment\QrPaymentException.

Methods that can throw exception:

• __construct() - if you supply options array and any of the values contains asterisk (*)
• setOptions() - if any of the values contains asterisk (*)
• getIBAN() - if any property contains asterisk(*)
• getQrString() - if any property contains asterisk(*) or if the date is not a valid date
• getQrImage() - if any property contains asterisk(*) or if the date is not a valid date or if the endroid\qrcode is not loaded

Error codes

The QrPaymentException contains constants to help you debugging the reason for the exception throw.

• QrPaymentException::ERR_ASTERISK - this code is thrown when any of the properties contains asterisk (*)
• QrPaymentException::ERR_DATE - this code is thrown if the date is not a valid date
• QrPaymentException::ERR_MISSING_LIBRARY - this code is thrown if you try to use getQrImage() method but don't have the endroid\qrcode library installed

List of public methods

Constructor

Params

• int|string $account - the account number
• int|string $bank - the bank code
• array $options - the array with options (not required). The helper class QrPaymentOptions can be used for options names.

Example

<?php
use rikudou\CzQrPayment\QrPayment;
use rikudou\CzQrPayment\QrPaymentOptions;

$payment = new QrPayment(1325090010, 3030);

// or with options

$payment = new QrPayment(1325090010, 3030, [
  QrPaymentOptions::AMOUNT => 100
]);

setOptions()

Sets the options, useful if you don't want to set them in constructor.

Params

• array $options - the same as the constructor param $options

Returns

Returns itself, you can use this method for chaining.

Example

<?php
use rikudou\CzQrPayment\QrPayment;
use rikudou\CzQrPayment\QrPaymentOptions;

$payment = new QrPayment(1325090010, 3030);

$payment->setOptions([
  QrPaymentOptions::AMOUNT => 100
]);

getIBAN()

Returns the IBAN, either from supplied IBAN or generated from account number and bank code.

Returns

string

Example

<?php

use rikudou\CzQrPayment\QrPayment;

$payment = new QrPayment(1325090010, 3030);
$myIBAN = $payment->getIBAN(); 
// $myIBAN now holds CZ5530300000001325090010

getQrString()

Returns the string that should be encoded in QR image.

Returns

string

Example

<?php
use rikudou\CzQrPayment\QrPayment;
use rikudou\CzQrPayment\QrPaymentOptions;

$payment = new QrPayment(1325090010, 3030, [
  QrPaymentOptions::AMOUNT => 100,
  QrPaymentOptions::VARIABLE_SYMBOL => 1502,
  QrPaymentOptions::DUE_DATE => date("Y-m-d", strtotime("+14 days"))
]);

$qrString = $payment->getQrString(); // SPD*1.0*ACC:CZ5530300000001325090010*AM:100.00*CC:CZK*X-PER:7*X-VS:1502*DT:20170928

static fromIBAN()

Returns new instance of the payment object created from IBAN.

Params

• string $iban - The IBAN of the account

Returns

Returns itself, you can use this method for chaining.

Example

<?php
use rikudou\CzQrPayment\QrPayment;

$payment = QrPayment::fromIBAN("CZ5530300000001325090010");
// do all the other stuff

getQrImage()

Returns a Qr code via third-party library.

Params

• bool $setPngHeader - if true, this method calls header() function to set content type to image/png, defaults to false

Returns

\Endroid\QrCode\QrCode

Example

<?php

use rikudou\CzQrPayment\QrPayment;
use rikudou\CzQrPayment\QrPaymentOptions;

$payment = QrPayment::fromIBAN("CZ5530300000001325090010")->setOptions([
  QrPaymentOptions::AMOUNT => 100
]);

$payment->getQrImage(true) // sets the content-type and renders
    ->render();

Options

This is a list of options you can set.

• int variableSymbol - the variable symbol, has no default
• int specificSymbol - the specific symbol, has no default
• int constantSymbol - the constant symbol, has no default
• string currency - three letter code for currency, defaults to CZK
• string comment - the payment comment, has no default
• int repeat - the count of days that the payment should be repeated if it fails, defaults to 7
• string internalId - internal id of the payment, has no default
• string|DateTime dueDate - the due date for payment, should be an instance of DateTime class or a string that can be parsed by strtotime(), has no default
• float amount - the amount for the payment, can't have more than 2 decimal places, has no default
• country - two letter code for country, defaults to CZ

All of these options can be set using the QrPaymentOptions helper class as constants for constructor or setOptions() or as methods.

For example, the amount can be set in array using the constant QrPaymentOptions::AMOUNT or using the method setAmount().