PHP ActiveX

Call an AWS Lambda Function

See more AWS Misc Examples

Demonstrates how to call an AWS Lambda function. PHP ActiveX

<?php

$success = 0;

//  This example requires the Chilkat API to have been previously unlocked.
//  See Global Unlock Sample for sample code.

$rest = new COM("Chilkat.Rest");

//  Connect to the Amazon AWS REST server.
//  such as https://email.us-west-2.amazonaws.com/
$bTls = 1;
$port = 443;
$bAutoReconnect = 1;

//  -------------------------------------------------------------------------------------------
//  Note: The source of the lambda function (hosted on AWS) is shown at the bottom of this page.
//  --------------------------------------------------------------------------------------------

//  If your lambda function URL is: https://itwxyj3vd6gjtaerbfqnfccs2e0fplzh.lambda-url.us-west-2.on.aws/
//  then use just the domain part here:
$success = $rest->Connect('itwxyj3vd6gjtaerbfqnfccs2e0fplzh.lambda-url.us-west-2.on.aws',$port,$bTls,$bAutoReconnect);

//  Provide AWS credentials for the REST call.
$authAws = new COM("Chilkat.AuthAws");
$authAws->AccessKey = 'AWS_ACCESS_KEY';
$authAws->SecretKey = 'AWS_SECRET_KEY';
//  the region should match our domain above..
$authAws->Region = 'us-west-2';
$authAws->ServiceName = 'lambda';

$rest->SetAuthAws($authAws);

$json = new COM("Chilkat.JsonObject");
$json->UpdateString('name','Benny');

$rest->AddHeader('Content-Type','application/json');

$sbRequestBody = new COM("Chilkat.StringBuilder");
$json->EmitSb($sbRequestBody);

$sbResponseBody = new COM("Chilkat.StringBuilder");
$success = $rest->FullRequestSb('POST','/',$sbRequestBody,$sbResponseBody);
if ($success == 0) {
    print $rest->LastErrorText . "\n";
    exit;
}

$statusCode = $rest->ResponseStatusCode;
if ($statusCode >= 400) {
    print 'Response Status Code: ' . $statusCode . "\n";
    print 'Response Body: ' . $sbResponseBody->getAsString() . "\n";
    print 'Failed.' . "\n";
    exit;
}

print 'Response Body:' . "\n";
print $sbResponseBody->getAsString() . "\n";

?>

JavaScript

export const handler = async (event) => {

    let body = "Hello World";

    if (event.body) {
        const input = JSON.parse(event.body);
        if (input.name) {
            body = "Hello " + input.name;
        }
    }

    return {
        statusCode: 200,
        headers: {
            "Content-Type": "application/json"
        },
        body: JSON.stringify({
            message: body
        })
    };
};