static-src/templates/php.template

<?php
/**
  *
  * main() will be invoked when you Run This Action
  *
  * @param Cloud Functions actions accept a single parameter, which must be a JSON object.
  *
  * @return The output of this action, which must be a JSON object.
  *
  */
function main(array $args) : array
{
    $name = $args["message"] ?? "stranger";
    $greeting = "Hello $name!";
    echo $greeting;
    return ["greeting" => $greeting];
}