PHP code example of hejunjie / google-authenticator

1. Go to this page and download the library: Download hejunjie/google-authenticator library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

hejunjie / google-authenticator example snippets


use Hejunjie\GoogleAuthenticator\GoogleAuthenticator;

$secret = GoogleAuthenticator::generateSecret();
// => "3PVPN3ASEIM457VR5VNUONDQB4"


use Hejunjie\GoogleAuthenticator\GoogleAuthenticator;

$issuer = 'MyApp';                   // Application name
$label  = '[email protected]';        // User identifier
$secret = '3PVPN3ASEIM457VR5VNUONDQB4';

// Basic usage (with default parameters)
GoogleAuthenticator::getQRCodeFile($issuer, $label, $secret, '/path/to/qrcode.png');

// Custom size and logo
GoogleAuthenticator::getQRCodeFile(
    issuer: 'MyApp',
    label: '[email protected]',
    secret: $secret,
    path: '/path/to/qrcode.png',
    width: 400,
    logo: '/path/to/logo.png',
    logo_width: 60
);


use Hejunjie\GoogleAuthenticator\GoogleAuthenticator;

$secret = '3PVPN3ASEIM457VR5VNUONDQB4';
$code   = '123456';

if (GoogleAuthenticator::checkCode($secret, $code)) {
    echo 'Verification passed';
} else {
    echo 'Verification failed';
}


src/
├── GoogleAuthenticator.php    # Main class: secret generation, QR code creation, OTP verification
└── Support/
    └── Base32.php             # Base32 encoding/decoding