public function exists($path)
	{
		$path = Util::normalizePath($path);

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

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

@param   string  $path
@return  bool
Determine if a file exists .