相关疑难解决方法(0)

  $var = 1;
  debug_zval_dump($var);

输出:

long(1) refcount(2)


  $var = 1;
  $var_dup = &$var;
  debug_zval_dump($var);exit;

输出:

long(1) refcount(1)

UPDATE

对答案非常失望......