WP Simple Pay: Create WordPress User After Payment

/**

 * @link https://library.wpcode.com/snippet/3234p8or/

 * 

 * @param \Stripe\Event $event Stripe Event.

 * @param \Stripe\Subscription|\Stripe\PaymentIntent $object Stripe Subscription or PaymentIntent

 */

function simpay_custom_create_user( $event, $object ) {

	$email_address = $object->customer->email;

	// Don't create duplicate records.

	if ( false !== username_exists( $email_address ) ) {

		throw new \Exception( 'Email address already exists.' );

	}

	// Creates a new user and notifies both the user and the site admin.

	//

	// @link https://developer.wordpress.org/reference/functions/wp_insert_user/

	// @link https://developer.wordpress.org/reference/functions/wp_new_user_notification/

	$user_id  = wp_insert_user( array(

		'user_email' => $email_address,

		'user_login' => $email_address,

		'nickname'   => $email_address,

		'role'       => 'subscriber',

		'user_pass'  => null,

	) );

	if ( is_wp_error( $user_id ) ) {

		throw new \Exception( $user_id->get_error_message() );

	}

	wp_new_user_notification( $user_id, null, 'both' );

}

add_action( 'simpay_webhook_subscription_created', 'simpay_custom_create_user', 10, 2 );

add_action( 'simpay_webhook_payment_intent_succeeded', 'simpay_custom_create_user', 10, 2 );