How to GET a READ from php into a variable (allways 1 or 0)

The important part is here:

gprsSerial.println("AT+HTTPPARA=\"URL\",\"http://foro.battlepvpmine.es/get_buzzing.php?key=8A621E21A96A6E36\"");// setting the httppara, 
   //the second parameter is the website from where you want to access data 
   delay(3000);
   toSerial();
 
   gprsSerial.println();
   gprsSerial.println("AT+HTTPACTION=0");//submit the GET request 
   gprsSerial.println("AT+HTTPREAD");
   delay(3000);