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vendor/workerman/validation/library/Rules/Attribute.php

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+<?php
+
+/*
+ * This file is part of Respect/Validation.
+ *
+ * (c) Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
+ *
+ * For the full copyright and license information, please view the LICENSE file
+ * that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace Respect\Validation\Rules;
+
+use ReflectionException;
+use ReflectionProperty;
+use Respect\Validation\Validatable;
+
+use function is_object;
+use function property_exists;
+
+/**
+ * Validates an object attribute, event private ones.
+ *
+ * @author Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
+ * @author Emmerson Siqueira <emmersonsiqueira@gmail.com>
+ * @author Henrique Moody <henriquemoody@gmail.com>
+ */
+final class Attribute extends AbstractRelated
+{
+    public function __construct(string $reference, ?Validatable $rule = null, bool $mandatory = true)
+    {
+        parent::__construct($reference, $rule, $mandatory);
+    }
+
+    /**
+     * {@inheritDoc}
+     *
+     * @throws ReflectionException
+     */
+    public function getReferenceValue($input)
+    {
+        $propertyMirror = new ReflectionProperty($input, (string) $this->getReference());
+        $propertyMirror->setAccessible(true);
+
+        return $propertyMirror->getValue($input);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function hasReference($input): bool
+    {
+        return is_object($input) && property_exists($input, (string) $this->getReference());
+    }
+}