isref             137 ext/opcache/ZendAccelerator.h #define PZ_SET_ISREF_TO_P(pz, isref)	(pz)->is_ref__gc = (isref)
isref             232 sapi/phpdbg/phpdbg_info.c 				const char *isref = "";
isref             236 sapi/phpdbg/phpdbg_info.c 		"%-18p %-7d %-9s %s$%.*s" msg, data, Z_REFCOUNTED_P(data) ? Z_REFCOUNT_P(data) : 1, zend_zval_type_name(data), isref, (int) ZSTR_LEN(var), ZSTR_VAL(var), ##__VA_ARGS__)
isref             274 sapi/phpdbg/phpdbg_info.c 						isref = "&";