update-jilt-financial-status.php

<?php // only copy this line if needed!


/**
 * Filter the Jilt financial status for the order.
 *
 * @param string $status the financial status
 * @param int $order_id the order's ID
 * @return string updated status
 */
add_filter( 'wc_jilt_order_financial_status', function( $status, $order_id ) {

	// ENTER YOUR CUSTOM STATUS SLUG HERE IN THE QUOTES
	$custom_status = "phone-order";

	$order = wc_get_order( $order_id );

	// maybe change status from pending to paid for phone orders
	if ( $order instanceof \WC_Order && $order->has_status( $custom_status ) ) {
		$status = 'paid';
	}

	return $status;

}, 10, 2 );