Invoke sample Lambda function through PHP

lambda-helloWorld.php

<?php

require_once __DIR__.'/vendor/autoload.php';

use Aws\Lambda\LambdaClient;

$client = LambdaClient::factory([
    'version' => 'latest',
    // The region where you have created your Lambda
    'region'  => 'eu-west-1',
]);

$result = $client->invoke([
    // The name your created Lamda function
    'FunctionName' => 'hello-world',
]);

echo json_decode((string) $result->get('Payload'));

// You'll now see "Hello, World! in your output"