IS_LEXICAL_VAR   4621 Zend/zend_compile.c 		Z_CONST_FLAGS(zv) = by_ref ? IS_LEXICAL_REF : IS_LEXICAL_VAR;
IS_LEXICAL_VAR    277 Zend/zend_variables.c 	if (Z_CONST_FLAGS_P(p) & (IS_LEXICAL_VAR|IS_LEXICAL_REF)) {