IS_LEXICAL_REF   6015 Zend/zend_compile.c 	Z_TYPE(value.u.constant) |= is_ref ? IS_LEXICAL_REF : IS_LEXICAL_VAR;
IS_LEXICAL_REF    198 Zend/zend_variables.c 	if (Z_TYPE_PP(p) & (IS_LEXICAL_VAR|IS_LEXICAL_REF)) {
IS_LEXICAL_REF    199 Zend/zend_variables.c 		is_ref = Z_TYPE_PP(p) & IS_LEXICAL_REF;