connect-pm-clone.php

$customer = \Stripe\Customer::create([
	'email' => '[email protected]',
	'payment_method' => 'pm_card_visa',
	'invoice_settings' => [
		'default_payment_method' => 'pm_card_visa',
	],
]);

$connectCustomer = \Stripe\Customer::create([
	'email' => '[email protected]',
], ['stripe_account' => $acct]);

$connectPaymentMethod = \Stripe\PaymentMethod::create([
	'customer' => $customer->id, // ID of the customer on the platform account.
	'payment_method' => $customer->invoice_settings->default_payment_method,  // ID of the PaymentMethod on your platform account
], ['stripe_account' => $acct]);

$paymentIntent = \Stripe\PaymentIntent::create([
	'payment_method_types' => ['card'],
	'amount' => 1000,
	'currency' => 'usd',
	'application_fee_amount' => 222,
	'payment_method' => $connectPaymentMethod->id,
	'customer' => $connectCustomer->id,
	'setup_future_usage' => 'off_session',
	'confirm' => true,
	'metadata' => [
		'need_id' => 'x',
	],
], ['stripe_account' => $acct]);