Update Formidable Forms field in entry when payment status of a Pronamic Pay payment is updated.

pronamic-pay-formidable-forms-update-entry-payment-status.php

<?php

/**
 * Update Formidable Forms field in entry when payment status of a Pronamic Pay payment is updated.
 */
add_action( 'pronamic_payment_status_update_formidable-forms', 'pronamic_pay_update_formidable_forms_entry_payment_status' );

function pronamic_pay_update_formidable_forms_entry_payment_status( $payment ) {
	/**
	 * Form fields to update with payment status.
	 *
	 * Format: Form ID => ID of field to update with status.
	 */
	$fields = array(
		2 => 413,
	);

	// Check if Formidable Forms classes are available.
	if ( ! class_exists( '\FrmEntry' ) || ! class_exists( '\FrmEntryMeta' ) ) {
		return;
	}

	// Get entry.
	$entry_id = $payment->get_source_id();

	$entry = FrmEntry::getOne( $entry_id );

	if ( empty( $entry ) ) {
		return;
	}

	// Check if field to update has been specified for this form.
	if ( ! \array_key_exists( $entry->form_id, $fields ) ) {
		return;
	}

	// Go ahead, update the field with payment status.
	$updated = FrmEntryMeta::update_entry_meta( $entry_id, $fields[ $entry->form_id ], null, $payment->get_status_label() );

	if ( ! $updated ) {
		FrmEntryMeta::add_entry_meta( $entry_id, $fields[ $entry->form_id ], null, $payment->get_status_label() );
	}
}