From 497d47feaf417db118a58c514c046ab90371482e Mon Sep 17 00:00:00 2001
From: MartinBeranek <beranek@efabrica.sk>
Date: Wed, 29 Jul 2026 13:35:53 +0200
Subject: [PATCH 1/2] Multi value validation and transformation

---
 CHANGELOG.md                      |  2 ++
 src/Validation/InputType.php      |  2 +-
 src/Validation/InputValidator.php | 28 ++++++++++++++++++++++++++++
 3 files changed, 31 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 12b1603..153c03a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,8 @@ All notable changes to this project will be documented in this file.
 Updates should follow the [Keep a CHANGELOG](http://keepachangelog.com/) principles.
 
 ## [Unreleased][unreleased]
+### Fixed
+- Multi value validation and transformation if expected type is not array but instead expects array of specific type. For example if expected type is integer and value is array of integers, validation and transformation will pass.
 
 ## 3.4.3
 ### Fixed
diff --git a/src/Validation/InputType.php b/src/Validation/InputType.php
index 08f90d2..ff60cce 100644
--- a/src/Validation/InputType.php
+++ b/src/Validation/InputType.php
@@ -9,5 +9,5 @@ class InputType
     public const DOUBLE = 'double';
     public const FLOAT = 'float';
     public const STRING = 'string';
-    public const ARRAY = 'array';
+    public const ARRAY = 'array'; // Returns array of mixed values. If you want to validate array of specific type use setMulti() with expected values in array
 }
diff --git a/src/Validation/InputValidator.php b/src/Validation/InputValidator.php
index c8d49b4..48cf918 100644
--- a/src/Validation/InputValidator.php
+++ b/src/Validation/InputValidator.php
@@ -20,6 +20,10 @@ public function validate($value, $expectedType = null): ValidationResultInterfac
             return new ValidationResult(ValidationResult::STATUS_OK);
         }
 
+        if (is_array($value) && $expectedType !== InputType::ARRAY) {
+            return $this->validateMulti($value, $expectedType);
+        }
+
         switch ($expectedType) {
             case InputType::BOOLEAN:
                 if (!is_bool($value)) {
@@ -67,6 +71,11 @@ public function transformType($value, $expectedType = null): mixed
         if ($value === null || $expectedType === null) {
             return $value;
         }
+
+        if (is_array($value) && $expectedType !== InputType::ARRAY) {
+            return $this->transformMulti($value, $expectedType);
+        }
+
         switch ($expectedType) {
             case InputType::BOOLEAN:
                 if ($value === '1' || $value === 1 || $value === true || strtolower((string) $value) === 'true') {
@@ -100,4 +109,23 @@ public function transformType($value, $expectedType = null): mixed
         }
         return $value;
     }
+
+    private function validateMulti(array $value, string $expectedType): ValidationResultInterface
+    {
+        foreach ($value as $item) {
+            $result = $this->validate($item, $expectedType);
+            if ($result->isOk() === false) {
+                return $result;
+            }
+        }
+        return new ValidationResult(ValidationResult::STATUS_OK);
+    }
+
+    private function transformMulti(array $value, string $expectedType): array
+    {
+        foreach ($value as $key => $item) {
+            $value[$key] = $this->transformType($item, $expectedType);
+        }
+        return $value;
+    }
 }

From 9ff1025593c5508f905d03a19074d247d3af2c38 Mon Sep 17 00:00:00 2001
From: MartinBeranek <beranek@efabrica.sk>
Date: Wed, 29 Jul 2026 13:42:59 +0200
Subject: [PATCH 2/2] pstan

---
 src/Validation/InputValidator.php | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/Validation/InputValidator.php b/src/Validation/InputValidator.php
index 48cf918..b998ce3 100644
--- a/src/Validation/InputValidator.php
+++ b/src/Validation/InputValidator.php
@@ -110,6 +110,9 @@ public function transformType($value, $expectedType = null): mixed
         return $value;
     }
 
+    /**
+     * @param mixed[] $value
+     */
     private function validateMulti(array $value, string $expectedType): ValidationResultInterface
     {
         foreach ($value as $item) {
@@ -121,6 +124,10 @@ private function validateMulti(array $value, string $expectedType): ValidationRe
         return new ValidationResult(ValidationResult::STATUS_OK);
     }
 
+    /**
+     * @param mixed[] $value
+     * @return mixed[]
+     */
     private function transformMulti(array $value, string $expectedType): array
     {
         foreach ($value as $key => $item) {