PHP不执行 setcookie（）不执行解决方案

PHP不执行 setcookie（）不执行
 
  if(setcookie("namedd","dede",time()+3600))
  echo "chengong";
else "shibai";
 
echo "wocaocao";
echo “Hello Everyone!”;
  setcookie("passwddd","86898162",time()+3600);

   
?>