Fix PHP 8.4 deprecation warning "Implicitly marking parameter $checkDigit as nullable is deprecated" in Number (#44)

Horat1us · horat1us · Ekman · web-flow · commit 5cfc40354c76 · 2025-06-16T09:53:28.000+02:00
Co-authored-by: horat1us &lt;git-public@alias.horatius.dev&gt;
Co-authored-by: Niklas Ekman &lt;nikl.ekman@gmail.com&gt;
diff --git a/src/Number.php b/src/Number.php
@@ -46,7 +46,7 @@ class Number implements NumberInterface, Serializable
      * @param int|null $checkDigit [Optional] The check digit for the number.
      * @throws ArgumentIsNotNumericException If the number input does not consist entirely of numbers.
      */
-    public function __construct(string $number, int $checkDigit = null)
+    public function __construct(string $number, ?int $checkDigit = null)
     {
         if (!string_is_numeric($number)) {
             throw new ArgumentIsNotNumericException($number);

Original file line number	Diff line number	Diff line change
`@@ -46,7 +46,7 @@ class Number implements NumberInterface, Serializable`
`46`	`46`	`* @param int\|null $checkDigit [Optional] The check digit for the number.`
`47`	`47`	`* @throws ArgumentIsNotNumericException If the number input does not consist entirely of numbers.`
`48`	`48`	`*/`
`49`		`- public function __construct(string $number, int $checkDigit = null)`
	`49`	`+ public function __construct(string $number, ?int $checkDigit = null)`
`50`	`50`	`{`
`51`	`51`	`if (!string_is_numeric($number)) {`
`52`	`52`	`throw new ArgumentIsNotNumericException($number);`