Set csp headers #wp

csp.php

<?php 
// Add a filter to modify the HTTP headers
function add_csp_header() {
    header("Content-Security-Policy: default-src 'self'; script-src 'self' https://example.com; style-src 'self' https://example.com;");

    // Add more directives as needed based on your specific requirements
}

// Hook the function to the 'send_headers' action
add_action('send_headers', 'add_csp_header');