$file->changeName()
Renames the file without touching the extension The store is used to actually execute this.
$file->changeName(string $name, bool $sanitize = true): Kirby\Cms\File
Parameters
| Name | Type | Default | 
|---|---|---|
| $name * | string | 
                – | 
| $sanitize | bool | 
                true | 
        
              
Return type
This method does not modify the existing $file object but returns a new object with the changes applied. Learn more →
Exceptions
| Type | Description | 
|---|---|
Kirby\Exception\LogicException | 
        
Parent class
Details
Kirby's objects are immutable. That means, when you modify an object like $page, $file etc. using a method like update(), changeTitle() and so on, a new  object is returned. Therefore, you have to store the returned object in a new variable to be able to further work with it.