server crashen

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<?php function connectToURL($addr, $port, $path, $user="", $pass="", $timeout="30")
{
        $urlHandle = fsockopen($addr, $port, $errno, $errstr, $timeout);

        if ($urlHandle)
        {
                socket_set_timeout($urlHandle, $timeout);

                if ($path)
                {
                        $urlString = "GET $path HTTP/1.0\r\nHost: $addr\r\nConnection: Keep-Alive\r\nUser-Agent: MyURLGrabber\r\n";
                        if ($user)
                                $urlString .= "Authorization: Basic ".base64_encode("$user:$pass")."\r\n";
                        $urlString .= "\r\n";

                        fputs($urlHandle, $urlString);

                        $response = fgets($urlHandle);

                        if (substr_count($response, "200 OK") > 0)      // Check the status of the link
                        {
                                $endHeader = false;                     // Strip initial header information
                                while ( !$endHeader)
                                {
                                        if (fgets($urlHandle) == "\r\n")
                                                $endHeader = true;
                                }

                                return $urlHandle;                      // All OK, return the file handle
                        }
                        else if (strlen($response) < 15)                // Cope with wierd non standard responses
                        {
                                fclose($urlHandle);
                                return -1;
                        }
                        else                                            // Cope with a standard error response
                        {
                                fclose($urlHandle);
                                return substr($response,9,3);
                        }
                }

                return $urlHandle;
        }
        else
                return 0;
} ?>