WP Simple Pay: Facebook Payment Conversion Tracking

/**

 * @link https://library.wpcode.com/snippet/j57gg315/

 */

add_action(

	'simpay_payment_receipt_viewed',

	/**

	 * Runs the first time the payment confirmation page is viewed.

	 * 

	 * @param array<string, mixed> $payment_confirmation_data

	 */

	function( $payment_confirmation_data ) {

		// Payment customer data (not used in this example).

		$customer = $payment_confirmation_data['customer'];

		// One-time payment data.

		$payment = current( $payment_confirmation_data['paymentintents'] );

		printf(

			'<script>fbq("track", "Purchase", {currency: "%s", value: "%s"});</script>',

			$payment->currency,

			$payment->amount / 100

		);

	}

);