AWS Lambda PHP Hello World

The basics of using Serverless Framework for AWS Lambda PHP applications.

Notes

1. Install Serverless Framework by following the Quick Start
2. Set up your AWS credentials
3. Create php binary by following steps in doc/create_php_binary.md
4. Write your serverless application (!) - the default is in handler.php
5. Run sls deploy to deploy to Lambda
6. Run sls invoke -f hello -l to invoke your function

PHP handler function signature

The signature for the PHP function is:

function main($eventData) : array

Hello world looks like:

<?php
function hello($eventData) : array
{
    return ["msg" => "Hello from PHP " . PHP_VERSION];
}