Framework Update

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

@@ -1,26 +1,23 @@
 <?php
 
 /*
- * This file is part of Respect/Validation.
- *
- * (c) Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
- *
- * For the full copyright and license information, please view the LICENSE file
- * that was distributed with this source code.
+ * Copyright (c) Alexandre Gomes Gaigalas <alganet@gmail.com>
+ * SPDX-License-Identifier: MIT
  */
 
 declare(strict_types=1);
 
 namespace Respect\Validation\Rules;
 
-use function ctype_digit;
 use function is_int;
+use function is_string;
+use function preg_match;
 
 /**
  * Validates if the input is an integer.
  *
  * @author Adam Benson <adam.benson@bigcommerce.com>
- * @author Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
+ * @author Alexandre Gomes Gaigalas <alganet@gmail.com>
  * @author Andrei Drulchenko <andrdru@gmail.com>
  * @author Danilo Benevides <danilobenevides01@gmail.com>
  * @author Henrique Moody <henriquemoody@gmail.com>
@@ -36,6 +33,10 @@ final class IntVal extends AbstractRule
             return true;
         }
 
-        return ctype_digit($input);
+        if (!is_string($input)) {
+            return false;
+        }
+
+        return preg_match('/^-?\d+$/', $input) === 1;
     }
 }