init

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

@@ -0,0 +1,67 @@
+<?php
+
+/*
+ * Copyright (c) Alexandre Gomes Gaigalas <alganet@gmail.com>
+ * SPDX-License-Identifier: MIT
+ */
+
+declare(strict_types=1);
+
+namespace Respect\Validation\Rules;
+
+use function array_merge;
+use function call_user_func_array;
+use function count;
+
+/**
+ * Validates the input using the return of a given callable.
+ *
+ * @author Alexandre Gomes Gaigalas <alganet@gmail.com>
+ * @author Henrique Moody <henriquemoody@gmail.com>
+ * @author William Espindola <oi@williamespindola.com.br>
+ */
+final class Callback extends AbstractRule
+{
+    /**
+     * @var callable
+     */
+    private $callback;
+
+    /**
+     * @var mixed[]
+     */
+    private $arguments;
+
+    /**
+     * Initializes the rule.
+     *
+     * @param mixed ...$arguments
+     */
+    public function __construct(callable $callback, ...$arguments)
+    {
+        $this->callback = $callback;
+        $this->arguments = $arguments;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function validate($input): bool
+    {
+        return (bool) call_user_func_array($this->callback, $this->getArguments($input));
+    }
+
+    /**
+     * @param mixed $input
+     * @return mixed[]
+     */
+    private function getArguments($input): array
+    {
+        $arguments = [$input];
+        if (count($this->arguments) === 0) {
+            return $arguments;
+        }
+
+        return array_merge($arguments, $this->arguments);
+    }
+}