1. Go to this page and download the library: Download spaze/csp-config 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/ */
spaze / csp-config example snippets
$header = $this->contentSecurityPolicy->getHeader($presenter->getAction(true));
if ($header) {
$this->httpResponse->setHeader('Content-Security-Policy', $header);
}