IRI::set_path( string $ipath, $clear_cache = false ): bool

941    public function set_path($ipath, $clear_cache = false)942    {943        static $cache;944        if ($clear_cache) {945            $cache = null;946            return;947        }948        if (!$cache) {949            $cache = [];950        }951 952        $ipath = (string) $ipath;953 954        if (isset($cache[$ipath])) {955            $this->ipath = $cache[$ipath][(int) ($this->scheme !== null)];956        } else {957            $valid = $this->replace_invalid_with_pct_encoding($ipath, '!$&\'()*+,;=@:/');958            $removed = $this->remove_dot_segments($valid);959 960            $cache[$ipath] = [$valid, $removed];961            $this->ipath =  ($this->scheme !== null) ? $removed : $valid;962        }963 964        $this->scheme_normalization();965        return true;966    }