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vendor/workerman/validation/library/Rules/Punct.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 function ctype_punct;
+
+/**
+ * Validates whether the input composed by only punctuation characters.
+ *
+ * @author Andre Ramaciotti <andre@ramaciotti.com>
+ * @author Danilo Correa <danilosilva87@gmail.com>
+ * @author Henrique Moody <henriquemoody@gmail.com>
+ * @author Nick Lombard <github@jigsoft.co.za>
+ */
+final class Punct extends AbstractFilterRule
+{
+    /**
+     * {@inheritDoc}
+     */
+    protected function validateFilteredInput(string $input): bool
+    {
+        return ctype_punct($input);
+    }
+}