fix: patch up nullable param

mychidarko · mychidarko · commit ab1a3120583f · 2025-03-06T09:49:30.000Z
diff --git a/src/Flash.php b/src/Flash.php
@@ -53,7 +53,7 @@ public static function set($message, string $key = 'default')
      *
      * @param string|null $key The key of message to remove
      */
-    public static function unset(string $key = null)
+    public static function unset(?string $key = null)
     {
         $data = Session::get(static::$config['key'], null, false);
 
@@ -84,7 +84,7 @@ public static function remove(): void
      * @param string|null $key The key of message to get
      * @return string|array
      */
-    protected static function get(string $key = null)
+    protected static function get(?string $key = null)
     {
         if (!$key) {
             return Session::get(static::$config['key']);

Original file line number	Diff line number	Diff line change
`@@ -53,7 +53,7 @@ public static function set($message, string $key = 'default')`
`53`	`53`	`*`
`54`	`54`	`* @param string\|null $key The key of message to remove`
`55`	`55`	`*/`
`56`		`- public static function unset(string $key = null)`
	`56`	`+ public static function unset(?string $key = null)`
`57`	`57`	`{`
`58`	`58`	`$data = Session::get(static::$config['key'], null, false);`
`59`	`59`
`@@ -84,7 +84,7 @@ public static function remove(): void`
`84`	`84`	`* @param string\|null $key The key of message to get`
`85`	`85`	`* @return string\|array`
`86`	`86`	`*/`
`87`		`- protected static function get(string $key = null)`
	`87`	`+ protected static function get(?string $key = null)`
`88`	`88`	`{`
`89`	`89`	`if (!$key) {`
`90`	`90`	`return Session::get(static::$config['key']);`