php $ip = '255.255.255.255'; $port = 7; $str_hex = "\xFF\xFF\xFF\xFF\xFF\xFF\x74\x56\x3C\xC3\xDB\x09\x74\x56\x3C\xC3\xDB\x09\x74\x56\x3C\xC3\xDB\x09\x74\x56\x3C\xC3\xDB\x09\x74\x56\x3C\xC3\xDB\x09\x74\x56\x3C\xC3\xDB\x09\x74\x56\x3C\xC3\xDB\x09\x74\x56\x3C\xC3\xDB\x09\x74\x56\x3C\xC3\xDB\x09\x74\x56\x3C\xC3\xDB\x09\x74\x56\x3C\xC3\xDB\x09\x74\x56\x3C\xC3\xDB\x09\x74\x56\x3C\xC3\xDB\x09\x74\x56\x3C\xC3\xDB\x09\x74\x56\x3C\xC3\xDB\x09\x74\x56\x3C\xC3\xDB\x09\x00\x00\x00\x00\x00\x00"; $sock = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP); socket_set_option($sock, SOL_SOCKET, SO_BROADCAST, 1); socket_sendto($sock, $str_hex, strlen($str_hex), 0, $ip, $port); socket_close($sock);