ZEND_PROTECTED_REFCOUNT   30 ext/opcache/zend_accelerator_util_funcs.c static zend_uint zend_accel_refcount = ZEND_PROTECTED_REFCOUNT;
ZEND_PROTECTED_REFCOUNT  607 ext/opcache/zend_accelerator_util_funcs.c 	(*op_array->refcount) = ZEND_PROTECTED_REFCOUNT;