Added method validateBoolean

Author: riculum

src/Validator.php

@@ -1,6 +1,7 @@
 <?php
 namespace Riculum\Validation;
 
+use JetBrains\PhpStorm\Pure;
 use Riculum\Validation\exceptions\InvalidValidationException;
 use Riculum\Validation\interfaces\ValidatorInterface;
 
@@ -340,6 +341,11 @@ public static function isValidEnum(?string $enum, array $enums, bool $required =
         }
     }
 
+    #[Pure] public static function isValidBoolean($boolean): bool
+    {
+        return self::validateBoolean($boolean);
+    }
+
     /**
      * @param string|null $city
      * @param int $minLength
@@ -1064,4 +1070,9 @@ public static function validateChar(?string $char, int $minLength = 1, int $maxL
 
         return $char;
     }
+
+    static function validateBoolean($boolean): bool
+    {
+        return is_bool($boolean);
+    }
 }