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cacme/vendor/workerman/validation/library/Rules/Readable.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\StreamInterface;
+use SplFileInfo;
+
+use function is_readable;
+use function is_string;
+
+/**
+ * Validates if the given data is a file exists and is readable.
+ *
+ * @author Danilo Correa <danilosilva87@gmail.com>
+ * @author Henrique Moody <henriquemoody@gmail.com>
+ */
+final class Readable extends AbstractRule
+{
+    /**
+     * {@inheritDoc}
+     */
+    public function validate($input): bool
+    {
+        if ($input instanceof SplFileInfo) {
+            return $input->isReadable();
+        }
+
+        if ($input instanceof StreamInterface) {
+            return $input->isReadable();
+        }
+
+        return is_string($input) && is_readable($input);
+    }
+}