init

vendor/workerman/validation/library/Helpers/CanValidateUndefined.php

@@ -0,0 +1,30 @@
+<?php
+
+/*
+ * Copyright (c) Alexandre Gomes Gaigalas <alganet@gmail.com>
+ * SPDX-License-Identifier: MIT
+ */
+
+declare(strict_types=1);
+
+namespace Respect\Validation\Helpers;
+
+use function in_array;
+
+/**
+ * Helper to identify values that Validation consider as "undefined".
+ *
+ * @author Henrique Moody <henriquemoody@gmail.com>
+ */
+trait CanValidateUndefined
+{
+    /**
+     * Finds whether the value is undefined or not.
+     *
+     * @param mixed $value
+     */
+    private function isUndefined($value): bool
+    {
+        return in_array($value, [null, ''], true);
+    }
+}