Kotchasan

Promptpay
in package

Promptpay QR Code Payment Payload Generator based on EMV® QR Code Specification

Tags
see
https://www.kotchasan.com/

Table of Contents

$applicationID  : string
Merchant identifier
$countryCode  : string
Country Code TH = Thailand
$currencyCode  : int
Transaction Currency Code 764 = Thai Baht
$phoneCountryCode  : int
Phone country code 66 = Thailand
$amount  : int
Transaction Amount
$merchant_id  : string
Recipient ID (Phone number, National ID, Tax ID, E-Wallet ID)
create()  : static
Create Promptpay object
payload()  : string
Generate payload for Prompt Pay QR code payment based on EMV® QR Code Specification
__construct()  : mixed
Class constructor
format()  : string
Format the data field with an ID, length, and optional padding.
hashBytes()  : int
Calculate the hash (CRC-16) for an array of bytes.
hashString()  : string
Generate the checksum (CRC) using the CRC-16 algorithm.

Properties

$applicationID

Merchant identifier

public string $applicationID = 'A000000677010111'

$countryCode

Country Code TH = Thailand

public string $countryCode = 'TH'

$currencyCode

Transaction Currency Code 764 = Thai Baht

public int $currencyCode = 764

$phoneCountryCode

Phone country code 66 = Thailand

public int $phoneCountryCode = 66

$amount

Transaction Amount

private int $amount

$merchant_id

Recipient ID (Phone number, National ID, Tax ID, E-Wallet ID)

private string $merchant_id

Methods

create()

Create Promptpay object

public static create(string $merchant_id[, int|null $amount = null ]) : static
Parameters
$merchant_id : string

Recipient ID (Phone number, Prompt Pay, or E-Wallet ID)

$amount : int|null = null

Transaction amount

Tags
assert

('0123456789')->payload() [==] '00020101021129370016A000000677010111011300661234567895802TH530376463047CC1'

assert

('660123456789')->payload() [==] '00020101021129370016A000000677010111011300661234567895802TH530376463047CC1'

assert

('660123456789', 99)->payload() [==] '00020101021229370016A000000677010111011300661234567895802TH5303764540599.00630472B'

assert

('66123456789')->payload() [==] '00020101021129370016A000000677010111011300661234567895802TH530376463047CC1'

assert

('123456789012')->payload() [==] '00020101021129370016A000000677010111011301234567890125802TH530376463048AF8'

Return values
static —

payload()

Generate payload for Prompt Pay QR code payment based on EMV® QR Code Specification

public payload() : string
Return values
string —

Generated payload string

__construct()

Class constructor

protected __construct(string $merchant_id, int $amount) : mixed
Parameters
$merchant_id : string

Recipient ID (Phone number, Prompt Pay, or E-Wallet ID)

$amount : int

Transaction amount

Return values
mixed —

format()

Format the data field with an ID, length, and optional padding.

private format(string $id, mixed $data, int $length) : string
Parameters
$id : string

The ID field.

$data : mixed

The data field.

$length : int

The length of the data field.

Return values
string —

The formatted field.

hashBytes()

Calculate the hash (CRC-16) for an array of bytes.

private hashBytes(array<string|int, mixed> $data) : int
Parameters
$data : array<string|int, mixed>

The input data.

Return values
int —

The calculated hash value.

hashString()

Generate the checksum (CRC) using the CRC-16 algorithm.

private hashString(string $data) : string
Parameters
$data : string

The input data.

Return values
string —

The generated checksum.

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