thorsten / phpMyFAQ

        }

        // Check whether we tried the host before

        if (isset($this->slowHosts[$urlParts['host']])) {

            return [

                false,

                $redirectCount,

                sprintf(

                    $PMF_LANG['ad_linkcheck_openurl_tooslow'],

                    Strings::htmlspecialchars($urlParts['host'])

                ),

            ];

        }

        // Check whether the hostname exists

        if (gethostbynamel($urlParts['host']) === false) {

        $fp = @fsockopen($_host, $urlParts['port'], $errno, $errstr, self::LINKVERIFIER_CONNECT_TIMEOUT);

        if (!$fp) {

            // mark this host too slow to verify

            $this->slowHosts[$urlParts['host']] = true;

            return [

                false,

                $redirectCount,

                sprintf(

                    $PMF_LANG['ad_linkcheck_openurl_tooslow'],

                    Strings::htmlspecialchars($urlParts['host'])

                ),

            ];

        }

        // wait for data with timeout (default: 10secs)

        stream_set_timeout($fp, self::LINKVERIFIER_RESPONSE_TIMEOUT, 0);