public function isFile($file)
	{
		$file = Util::normalizePath($file);

		return (bool) $this->adapter->isFile($file);
	}
public function isFile($file)
	{
		$file = Util::normalizePath($file);

		return (bool) $this->adapter->isFile($file);
	}
public function isFile ( $ file ) { $ file = Util :: normalizePath ( $ file ) ; return ( bool ) $ this -> adapter -> isFile ( $ file ) ; }
Determine if the given path is a file.

@param   string  $file
@return  bool
Determine if the given path is a file .