only_subclass    1004 Zend/zend_builtin_functions.c static void is_a_impl(INTERNAL_FUNCTION_PARAMETERS, zend_bool only_subclass) /* {{{ */
only_subclass    1010 Zend/zend_builtin_functions.c 	zend_bool allow_string = only_subclass;
only_subclass    1043 Zend/zend_builtin_functions.c 	if (!only_subclass && EXPECTED(zend_string_equals(instance_ce->name, class_name))) {
only_subclass    1050 Zend/zend_builtin_functions.c 			if (only_subclass && instance_ce == ce) {