shell bypass 403
<?php namespace Dompdf\Css\Content; final class Attr extends ContentPart { /** * @var string */ public $attribute; public function __construct(string $attribute) { $this->attribute = $attribute; } public function equals(ContentPart $other): bool { return $other instanceof self && $other->attribute === $this->attribute; } public function __toString(): string { return "attr($this->attribute)"; } }