_is_ref           698 Zend/zend_API.h #define ZEND_SET_SYMBOL_WITH_LENGTH(symtable, name, name_length, var, _refcount, _is_ref)				\
_is_ref           714 Zend/zend_API.h 			Z_SET_ISREF_TO_P(var, _is_ref);																\
_is_ref           726 Zend/zend_API.h #define ZEND_SET_GLOBAL_VAR_WITH_LENGTH(name, name_length, var, _refcount, _is_ref)	\
_is_ref           727 Zend/zend_API.h 	ZEND_SET_SYMBOL_WITH_LENGTH(&EG(symbol_table), name, name_length, var, _refcount, _is_ref)