ce_period        1975 ext/date/php_date.c 	zend_class_entry ce_date, ce_immutable, ce_timezone, ce_interval, ce_period, ce_interface;
ce_period        2059 ext/date/php_date.c 	INIT_CLASS_ENTRY(ce_period, "DatePeriod", date_funcs_period);
ce_period        2060 ext/date/php_date.c 	ce_period.create_object = date_object_new_period;
ce_period        2061 ext/date/php_date.c 	date_ce_period = zend_register_internal_class_ex(&ce_period, NULL);