message: PHP 7.4 forward compatibility.
diff: @@ -660,6 +660,12 @@ extern ZEND_DECLARE_MODULE_GLOBALS(swoole);
  # define ZEND_HASH_APPLY_PROTECTION(p) 1
  #endif
  +/* PHP 7.4 forward compatibility */
  +#ifndef ZEND_ACC_CTOR
  +#define ZEND_ACC_CTOR 0
  +#define ZEND_ACC_DTOR 0
  +#endif
  +
  END_EXTERN_C()
  #endif /* PHP_SWOOLE_H */
  