1. Go to this page and download the library: Download delight-im/http library. Choose the download type require.
2. Extract the ZIP file and open the index.php.
3. Add this code to the index.php.
<?php
require_once('vendor/autoload.php');
/* Start to develop here. Best regards https://php-download.com/ */
delight-im / http example snippets
$header = \Delight\Http\ResponseHeader::get('Content-Type');
// or
$header = \Delight\Http\ResponseHeader::get('Content-Type', 'text/');