Include fund in Stripe payment metadata - Option-based forms

give_include_fund_payment_meta.php

<?php 

use GiveFunds\Models\Fund;
use GiveFunds\Repositories\Funds;
use GiveFunds\Repositories\Revenue;

function give_include_fund_payment_meta( $charge_args ) {
	
	if ( ! defined( 'GIVE_FUNDS_ADDON_VERSION' )) {
		return;
	}
	
	/* @var Funds $fundRepository */
	$fundRepository = give( Funds::class );
	$revenueRepository = give( Revenue::class );

	// Sanitize the input posted data to the form.
	$posted_data = give_clean( filter_input_array( INPUT_POST ) );
	
	$fundId = $posted_data['give-selected-fund'];
	$fund = ( $fundId ) ? $fundRepository->getFund( $fundId ) : $fundRepository->getDefaultFund();
	$fundTitle = $fund->getTitle();

	// Prepare metadata fields list.
	$custom_meta_fields = array(
		'Fund'     => $fundTitle,
	);
	$charge_args['metadata'] = array_merge( $charge_args['metadata'], $custom_meta_fields );

	return $charge_args;
}
add_filter( 'give_stripe_create_intent_args', 'give_include_fund_payment_meta', 10 );