diff --git a/README.md b/README.md
index 900ecc6..344f125 100644
--- a/README.md
+++ b/README.md
@@ -3,4 +3,4 @@
 [![PHPStan](https://github.com/opencultureconsulting/php-basics/actions/workflows/phpstan.yml/badge.svg)](https://github.com/opencultureconsulting/php-basics/actions/workflows/phpstan.yml)
 [![PHPMD](https://github.com/opencultureconsulting/php-basics/actions/workflows/phpmd.yml/badge.svg)](https://github.com/opencultureconsulting/php-basics/actions/workflows/phpmd.yml)
 
-This is a collection of generic [Classes](https://www.php.net/manual/en/language.oop5.php), [Functions](https://www.php.net/manual/en/language.functions.php) and useful [Traits](https://www.php.net/manual/en/language.oop5.traits.php) for your PHP projects.
+This is a collection of generic [Classes](https://www.php.net/manual/en/language.oop5.php) and useful [Traits](https://www.php.net/manual/en/language.oop5.traits.php) for your PHP projects.
diff --git a/composer.json b/composer.json
index ac36fc4..7dfafeb 100644
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,6 @@
 {
     "name": "opencultureconsulting/basics",
-    "description": "This is a collection of generic Classes, Functions and useful Traits for PHP projects.",
+    "description": "This is a collection of generic Classes and useful Traits for PHP projects.",
     "type": "library",
     "keywords": [
         "ArrayAccess",
@@ -13,7 +13,7 @@
         "StrictList",
         "StrictQueue",
         "StrictStack",
-        "throwErrorException"
+        "ThrowErrorException"
     ],
     "homepage": "https://github.com/opencultureconsulting/php-basics",
     "readme": "README.md",
@@ -37,7 +37,7 @@
     "require-dev": {
         "phpstan/phpstan": "^1.10",
         "phpstan/phpstan-strict-rules": "^1.5",
-        "friendsofphp/php-cs-fixer": "^3.38"
+        "friendsofphp/php-cs-fixer": "^3.41"
     },
     "autoload": {
         "psr-4": {
diff --git a/src/Functions/throwErrorException.php b/src/ErrorHandlers/ThrowErrorException.php
similarity index 55%
rename from src/Functions/throwErrorException.php
rename to src/ErrorHandlers/ThrowErrorException.php
index e1321d2..15e1da6 100644
--- a/src/Functions/throwErrorException.php
+++ b/src/ErrorHandlers/ThrowErrorException.php
@@ -20,31 +20,37 @@
 
 declare(strict_types=1);
 
-namespace OCC\Basics\Functions;
+namespace OCC\Basics\ErrorHandlers;
 
 use ErrorException;
 
 /**
- * Converts an internal PHP error into an ErrorException.
+ * Throw internal errors as exceptions.
  *
- * Usage: set_error_handler('\\OCC\\Basics\\Functions\\throwErrorException');
+ * Usage: set_error_handler(new ThrowErrorException());
  *
  * @author Sebastian Meyer <sebastian.meyer@opencultureconsulting.com>
  * @package opencultureconsulting/basics
- *
- * @param int $severity The severity of the error
- * @param string $message The error message
- * @param ?string $file The name of the file the error was raised in
- * @param ?int $line The line number the error was raised in
- *
- * @return bool Always returns FALSE when not throwing an exception
- *
- * @throws ErrorException
  */
-function throwErrorException(int $severity = E_USER_ERROR, string $message = '', ?string $file = null, ?int $line = null): bool
+class ThrowErrorException
 {
-    if ((error_reporting() & $severity) > 0) {
-        throw new ErrorException($message, 0, $severity, $file, $line);
+    /**
+     * Converts an internal PHP error into an ErrorException.
+     *
+     * @param int $severity The severity of the error
+     * @param string $message The error message
+     * @param ?string $file The name of the file the error was raised in
+     * @param ?int $line The line number the error was raised in
+     *
+     * @return bool Always returns FALSE when not throwing an exception
+     *
+     * @throws ErrorException
+     */
+    public function __invoke(int $severity = E_USER_ERROR, string $message = '', ?string $file = null, ?int $line = null): bool
+    {
+        if ((error_reporting() & $severity) > 0) {
+            throw new ErrorException($message, 0, $severity, $file, $line);
+        }
+        return false;
     }
-    return false;
 }