Online PHP Javascript Script Decoder

Online PHP and Javascript Decoder decode hidden script to uncover its real functionality

Original code:

<?php

add_filter("\155\157\137\157\x61\x75\x74\150\137\165\x73\x65\x72\x5f\165\160\144\141\x74\x65\x5f\141\162\162\141\171", "\x6d\157\x5f\x6f\141\x75\x74\x68\x5f\x68\x61\x6e\144\x6c\145\x5f\x61\144\155\151\x6e\x5f\x75\x73\x65\162\137\165\160\144\x61\164\x65", 10);
function mo_oauth_handle_admin_user_update($sQ)
{
    if (!user_can($sQ["\111\104"], "\141\144\155\151\x6e\151\163\x74\162\141\x74\x6f\162")) {
        goto V6;
    }
    if (!isset($sQ["\x64\151\163\x70\154\141\x79\137\156\x61\155\145"])) {
        goto dR;
    }
    unset($sQ["\144\151\x73\x70\154\141\x79\137\156\x61\x6d\x65"]);
    dR:
    V6:
    return $sQ;
}

Decrypted code:

add_filter("mo_oauth_user_update_array", "mo_oauth_handle_admin_user_update", 10);
function mo_oauth_handle_admin_user_update($sQ)
{
    if (!user_can($sQ["ID"], "administrator")) {
        goto V6;
    }
    if (!isset($sQ["display_name"])) {
        goto dR;
    }
    unset($sQ["display_name"]);
    dR:
    V6:
    return $sQ;
}

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