<?php eq(5, \org\rhaco\lang\Date::age(20001010, \org\rhaco\lang\Date::parse_date("2005/01/01"))); eq(6, \org\rhaco\lang\Date::age(20001010, \org\rhaco\lang\Date::parse_date("2005/10/10"))); eq(5, \org\rhaco\lang\Date::age(20001010, \org\rhaco\lang\Date::parse_date("2005/10/9"))); eq(5, \org\rhaco\lang\Date::age(20001010, \org\rhaco\lang\Date::parse_date("2005/10/11")));