<?php
require_once 'vendor/autoload.php';

use Sabberworm\CSS\Parser;
use Sabberworm\CSS\CSSList\Document;

// Vulnerable usage - passes user input to getSelectorsBySpecificity which uses eval()
if (isset($_GET['n'])) {
    $css = '#test .help { color: red; }';
    $parser = new Parser($css);
    $doc = $parser->parse();
    
    // This is the vulnerable call - eval() on user-controlled input
    $selectors = $doc->getSelectorsBySpecificity('> ' . $_GET['n']);
    echo "<pre>";
    print_r($selectors);
    echo "</pre>";
} else {
    echo "Sabberworm PHP CSS Parser Test - pass ?n= parameter";
}