return_hint       344 Zend/zend_inheritance.c static ZEND_COLD void zend_append_type_hint(smart_str *str, const zend_function *fptr, zend_arg_info *arg_info, int return_hint) /* {{{ */
return_hint       367 Zend/zend_inheritance.c 		if (!return_hint) {
return_hint       379 Zend/zend_inheritance.c 		if (!return_hint) {