public function isReadable($path)
    {
        $node = $this->at($path);
        return null !== $node && (0x0100 & $node->perms);
    }
public function isReadable($path)
    {
        $node = $this->at($path);
        return null !== $node && (0x0100 & $node->perms);
    }
public function isReadable ( $ path ) { $ node = $ this -> at ( $ path ) ; return null !== $ node && ( 0x0100 & $ node -> perms ) ; }
Equivalent to PHP `is_readable` function.
Assumes that the user is the file owner.

@param  string  $path
@return boolean
Equivalent to PHP is_readable function . Assumes that the user is the file owner .