PHP code example of lab1521 / neaty-html

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

/* Start to develop here. Best regards https://php-download.com/ */

    

lab1521 / neaty-html example snippets

ab1521\NeatyHTML\NeatyHTML;

//Goal: Remove onerror attribute which prevents eval to alert
$badImage = '<img src=x:alert(window) onerror=eval(src) alt="bad image">';
$goodImage = '<img src="images/good.gif" alt="good image">';

$neaty = new NeatyHTML($badImage . $goodImage);

//Outputs <img src="x:alert(window)" alt="bad image"><img src="images/good.gif" alt="good image">
echo $neaty->tidyUp();

//Goal: Remove unrecognized images and keep local sources only
$neaty->blockedTags(['img']);
$neaty->tagOverrides([
    'img' => [
        [
            'attribute' => 'src',
            'values' => ['images/'] //restricts to local folder
        ],
    ]
]);

//Goal: Remove $badImage
$neaty->loadHtml($badImage . $goodImage);

//Outputs $goodImage only
echo $neaty->tidyUp();

/*
 * Package Service Providers...
 */

Lab1521\NeatyHTML\NeatyHTMLServiceProvider::class,

'NeatyHTML' => Lab1521\NeatyHTML\Facades\NeatyHTML::class,

Route::get('/', function () {
    //Goal: Remove onerror attribute which prevents eval to alert
    $badImage = '<img src=x:alert(window) onerror=eval(src) alt="bad image">';
    $goodImage = '<img src="images/good.gif" alt="good image">';

    $neaty = NeatyHTML::loadHtml($badImage . $goodImage);

    //Goal: Remove unrecognized images and keep local sources only
    $neaty->blockedTags(['img']);
    $neaty->tagOverrides([
        'img' => [
            [
                'attribute' => 'src',
                'values' => ['images/'] //restricts to local folder
            ],
        ]
    ]);

    //Outputs $goodImage only
    return $neaty->tidyUp();
    // return view('welcome');
});

use Lab1521\NeatyHTML\NeatyHTML;

class PostController extends Controller
{
    public function store(Request $request, NeatyHTML $neaty)
    {
        $this->validate($request, [
            'title'    => '