What best practices should be followed when setting up billing plans and definitions for PayPal subscriptions in PHP?

When setting up billing plans and definitions for PayPal subscriptions in PHP, it is important to follow best practices to ensure smooth and secure transactions. This includes properly defining the billing plan with details such as billing frequency, amount, and currency, as well as setting up webhooks to handle subscription events. Additionally, it is recommended to handle errors and exceptions gracefully to provide a better user experience. 

// Define billing plan
$plan = new Plan();
$plan->setName('Monthly Subscription')
    ->setDescription('Monthly subscription for premium features')
    ->setType('infinite')
    ->setPaymentDefinitions([
        (new PaymentDefinition())
            ->setName('Regular Payments')
            ->setType('REGULAR')
            ->setFrequency('Month')
            ->setFrequencyInterval('1')
            ->setCycles('0')
            ->setAmount(new Currency(['value' => 10, 'currency' => 'USD']))
    ])
    ->setMerchantPreferences((new MerchantPreferences())
        ->setReturnUrl('https://example.com/return')
        ->setCancelUrl('https://example.com/cancel')
        ->setAutoBillAmount('yes')
        ->setInitialFailAmountAction('CONTINUE')
        ->setMaxFailAttempts('3'));

// Create billing plan
try {
    $createdPlan = $plan->create($apiContext);
} catch (PayPal\Exception\PayPalConnectionException $ex) {
    echo $ex->getData();
}

Keywords

PayPal API PHP subscriptions billing plans recurring payments payment gateway

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