PHP SDK 快速入门：KYC、AML 与交易监控集成

composer require didit-protocol/sdk-php guzzlehttp/guzzle

<?php

require 'vendor/autoload.php';

use Didit\DiditClient;
use Didit\RequestOptions;

$didit = new DiditClient(
    apiKey: getenv('DIDIT_API_KEY') ?: null,
    organizationId: getenv('DIDIT_ORGANIZATION_ID') ?: null,
    applicationId: getenv('DIDIT_APPLICATION_ID') ?: null,
    timeout: 30.0,
    maxRetries: 2,
);

// Options for a single call.
$decision = $didit->sessions->retrieveDecision(
    '11111111-2222-3333-4444-555555555555',
    [],
    new RequestOptions(timeout: 5.0, maxRetries: 0),
);
echo $decision->status, "\n";

<?php

require 'vendor/autoload.php';

use Didit\DiditClient;

$didit = new DiditClient();

$session = $didit->sessions->create([
    'workflow_id' => '11111111-2222-3333-4444-555555555555',
    'vendor_data' => 'user-123',
    'callback' => 'https://example.com/verification/done',
]);
echo $session->url, "\n";

<?php

require 'vendor/autoload.php';

use Didit\DiditClient;

$didit = new DiditClient();

$decision = $didit->sessions->retrieveDecision('11111111-2222-3333-4444-555555555555');
echo $decision->status, "\n";
foreach ($decision->idVerifications ?? [] as $verification) {
    echo $verification->status, "\n";
}

<?php

require 'vendor/autoload.php';

use Didit\DiditClient;
use Didit\Exception\WebhookVerificationException;
use Didit\Webhooks\Events\StatusUpdatedEvent;
use Psr\Http\Message\MessageInterface;

$didit = new DiditClient();

/** @param array<string, string|list<string>>|MessageInterface $headers */
function handleWebhook(DiditClient $didit, string $rawBody, array|MessageInterface $headers, string $secret): int
{
    try {
        $event = $didit->webhooks->verify($rawBody, $headers, $secret);
    } catch (WebhookVerificationException $e) {
        error_log('rejected: ' . $e->reason);
        return 400;
    }
    if ($event instanceof StatusUpdatedEvent) {
        error_log($event->sessionId . ' ' . $event->status);
    }
    return 200;
}

http_response_code(handleWebhook(
    $didit,
    (string) file_get_contents('php://input'),
    getallheaders(),
    (string) getenv('DIDIT_WEBHOOK_SECRET'),
));

<?php

require 'vendor/autoload.php';

use Didit\DiditClient;

$didit = new DiditClient();

$transaction = $didit->transactions->create([
    'transaction_id' => 'txn-1001',
    'transaction_category' => 'finance',
    'transaction_details' => ['direction' => 'outbound', 'amount' => 1500.0, 'currency' => 'EUR'],
    'subject' => ['entity_type' => 'individual', 'vendor_data' => 'user-123', 'full_name' => 'Maria Garcia'],
]);
echo $transaction->status, ' ', $transaction->score, "\n";

<?php

require 'vendor/autoload.php';

use Didit\Authentication\Authentication;
use Didit\Authentication\TokenVerificationException;

// The publishable key (pk_live_... or pk_test_...) carries your issuer URL.
$auth = Authentication::fromPublishableKey('pk_live_...');

function currentUser(Authentication $auth, string $accessToken): ?string
{
    try {
        $claims = $auth->verifyAccessToken($accessToken, audience: 'your-application-id');
    } catch (TokenVerificationException $e) {
        error_log('rejected: ' . $e->reason);
        return null;
    }
    return $claims->sub;
}

<?php

require 'vendor/autoload.php';

use Didit\DiditClient;
use Didit\Exception\ApiStatusException;
use Didit\Exception\NotFoundException;

$didit = new DiditClient();

try {
    $didit->sessions->retrieveDecision('11111111-2222-3333-4444-555555555555');
} catch (NotFoundException $e) {
    echo "no such session\n";
} catch (ApiStatusException $e) {
    echo $e->status, ' ', $e->requestId, "\n";
}

<?php

require 'vendor/autoload.php';

use Didit\DiditClient;
use Didit\File;

$didit = new DiditClient();

// Lists page through every result.
foreach ($didit->sessions->list(['status' => 'Approved']) as $session) {
    echo $session->sessionId, "\n";
}

// Uploads take File::fromPath, File::fromBytes or File::fromStream.
$result = $didit->idVerification->verify([
    'front_image' => File::fromPath('id-front.jpg'),
    'back_image' => File::fromPath('id-back.jpg'),
]);
print_r($result->toArray());