website/public/API/queries/skills.php

<?php

function getSkills() {
        require "./lib/config.php";
        $s3Client = new Aws\S3\S3Client([
                'version' => 'latest',
                'region'  => 'us-east-1',
                'endpoint' => $S3Server,
                'use_path_style_endpoint' => true,
                'credentials' => [
                        'key'    => $S3AccessKey,
                        'secret' => $S3SecretKey,
                ],
        ]);

        $result = $s3Client->ListObjects(['Bucket' => $S3BucketName, 'Delimiter'=>'/', 'Prefix' => 'skills/']);

        $response = [];
        foreach ($result["Contents"] as $skill){
                array_push($response, $skill["Key"]);
        }
        return $response;
}