From 3f9ac05a4dead700db4fa5e34f0787deec0a97cb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Maria=CC=81n=20Gemmel?= <>
Date: Tue, 14 Apr 2026 13:47:56 +0200
Subject: [PATCH 1/2] Convert empty string to numeric type

---
 src/Validation/InputValidator.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/Validation/InputValidator.php b/src/Validation/InputValidator.php
index cb326b1..c8d49b4 100644
--- a/src/Validation/InputValidator.php
+++ b/src/Validation/InputValidator.php
@@ -76,17 +76,17 @@ public function transformType($value, $expectedType = null): mixed
                 }
                 // no break
             case InputType::INTEGER:
-                if (is_numeric($value)) {
+                if (is_numeric($value) || $value === '') {
                     settype($value, 'integer');
                 }
                 break;
             case InputType::DOUBLE:
-                if (is_numeric($value)) {
+                if (is_numeric($value) || $value === '') {
                     settype($value, 'double');
                 }
                 break;
             case InputType::FLOAT:
-                if (is_numeric($value)) {
+                if (is_numeric($value) || $value === '') {
                     settype($value, 'float');
                 }
                 break;

From 1a7a3db18ffb47b3406a072ae3f3e00c70ed503a Mon Sep 17 00:00:00 2001
From: MartinBeranek <beranek@efabrica.sk>
Date: Wed, 15 Jul 2026 10:21:50 +0200
Subject: [PATCH 2/2] changelog

---
 CHANGELOG.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 39b083b..7e2b257 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
+- Invalid input type returned when value is empty in InputValidator
 
 ## 3.4.2
 ### Fixed