F::extension()
Gets the extension of a file
F::extension(string|null $file = null, string|null $extension = null): stringParameters
| Name | Type | Default | Description |
|---|---|---|---|
| $file | stringornull |
null
|
The filename or path |
| $extension | stringornull |
null
|
Set an optional extension to overwrite the current one |
Return type
string