AutomateWoo - Filtering the value of a variable

functions.php

<?php
/**
 * An example of how to filtering the value of a variable
 *
 * In this example we will format user first and last names.
 */

add_filter( 'automatewoo/variables/after_get_value', 'my_automatewoo_variable_filter_names', 10, 5 );

/**
 * @param $value string|false
 * @param $data_type string
 * @param $data_value string
 * @param $parameters array
 * @param $workflow AW_Model_Workflow
 * @return string
 */
function my_automatewoo_variable_filter_names( $value, $data_type, $data_value, $parameters, $workflow ){
	
	if ( $data_type != 'customer' ) {
		return $value;
	}

	if ( $data_value == 'first_name' || $data_value == 'last_name' ) {
		
		// Format names
		$value = ucwords( strtolower( $value ) );

		/** @internal $order WC_Order */
		if ( $order = $workflow->get_data_item('order') ) {
			
			// if this workflow is order related perform additional logic around billing countries
			$auto_fallback_countries = array( 'JP', 'FR' );

			$fallback = empty( $parameters['fallback'] ) ? false : $parameters['fallback'];

			if ( $fallback && in_array( AutomateWoo\Compat\Order::get_billing_country( $order ), $auto_fallback_countries ) ) {
				$value = $fallback;
			}
		}
	}

	return $value;
}