PHP Decode

<?php 
goto JjnA3;
GJI0G: xNCbB:
goto xDbMS;
bE3jr:
die;
goto GJI0G;
JjnA3:
function exthemes_theme_license_admin_notices() {
    goto MTh3U;
    EeTI0:
    switch ($_GET["\163\x6c\x5f\164\x68\145\155\x65\137\x61\x63\x74\x69\x76\141\164\x69\157\156"]) {
        case "\146\141\x6c\x73\x65":
            goto iDX1H;
            qQ_a_:
            goto Tm3p5;
            goto iaLot;
            iDX1H:
            $message = urldecode($_GET["\155\x65\x73\x73\x61\x67\x65"]);
            goto MFAms;
            cTg82:
            echo $message;
            goto asGsB;
            asGsB:
            echo "\74\57\160\76\15\12\11\x9\x9\74\57\144\x69\166\x3e\15\xa\11\11\x9";
            goto qQ_a_;
            MFAms:
            echo "\11\11\11\74\144\151\166\x20\143\x6c\x61\163\x73\75\42\145\x72\162\x6f\162\x22\76\xd\12\11\11\x9\x9\74\160\x3e";
            goto cTg82;
            iaLot:
        case "\x74\162\165\145":
        default:
            goto Tm3p5;
    }
    goto dIK4f;
    DA23r: VAr8Q:
    goto vJgoo;
    dIK4f: c4km9:
    goto VvHCB;
    VvHCB: Tm3p5:
    goto DA23r;
    MTh3U:
    if (!(isset($_GET["\x73\x6c\137\164\150\x65\x6d\145\137\x61\x63\164\x69\x76\141\x74\151\157\x6e"]) && !empty($_GET["\x6d\x65\163\x73\x61\x67\x65"]))) {
        goto VAr8Q;
    }
    goto EeTI0;
    vJgoo:
}