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

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+<?php
+
+/*
+ * Copyright (c) Alexandre Gomes Gaigalas <alganet@gmail.com>
+ * SPDX-License-Identifier: MIT
+ */
+
+declare(strict_types=1);
+
+namespace Respect\Validation\Rules;
+
+use Psr\Http\Message\UploadedFileInterface;
+use SplFileInfo;
+
+use function is_scalar;
+use function is_uploaded_file;
+
+/**
+ * Validates if the given data is a file that was uploaded via HTTP POST.
+ *
+ * @author Henrique Moody <henriquemoody@gmail.com>
+ * @author Paul Karikari <paulkarikari1@gmail.com>
+ */
+final class Uploaded extends AbstractRule
+{
+    /**
+     * {@inheritDoc}
+     */
+    public function validate($input): bool
+    {
+        if ($input instanceof SplFileInfo) {
+            return $this->validate($input->getPathname());
+        }
+
+        if ($input instanceof UploadedFileInterface) {
+            return true;
+        }
+
+        if (!is_scalar($input)) {
+            return false;
+        }
+
+        return is_uploaded_file((string) $input);
+    }
+}