public function nameSuffix()
    {
        $atoms = $this->nameAtoms();
        if (count($atoms) > 1) {
            array_shift($atoms);

            return implode(static::EXTENSION_SEPARATOR, $atoms);
        }

        return null;
    }
public function nameSuffix()
    {
        $atoms = $this->nameAtoms();
        if (count($atoms) > 1) {
            array_shift($atoms);

            return implode(static::EXTENSION_SEPARATOR, $atoms);
        }

        return null;
    }
public function nameSuffix ( ) { $ atoms = $ this -> nameAtoms ( ) ; if ( count ( $ atoms ) > 1 ) { array_shift ( $ atoms ) ; return implode ( static :: EXTENSION_SEPARATOR , $ atoms ) ; } return null ; }
Get all of this path's extensions.

@return string|null The extensions of this path's last atom. If the last atom has no extensions, or this path has no atoms, this method will return null.
Get all of this path s extensions .