public function set_host($host) { if ($host === null || $host === '') { $this->host = null; $this->valid[__FUNCTION__] = true; return true; } elseif ($host[0] === '[' && substr($host, -1) === ']') { if (SimplePie_Net_IPv6::checkIPv6(substr($host, 1, -1))) { $this->host = $host; $this->valid[__FUNCTION__] = true; return true; } else { $this->host = null; $this->valid[__FUNCTION__] = false; return false; } } else { $this->host = $this->replace_invalid_with_pct_encoding($host, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~!$&\'()*+,;=', SIMPLEPIE_LOWERCASE); $this->valid[__FUNCTION__] = true; return true; } }