--TEST-- setting bogus timezones --FILE-- <?php //bogus var_dump(date_default_timezone_set('AAA')); var_dump(date_default_timezone_set('ZZZ')); //now the first and the last one var_dump(date_default_timezone_set("Africa/Abidjan")); var_dump(date_default_timezone_set("Zulu")); echo "done\n"; ?> --EXPECTF-- Notice: date_default_timezone_set(): Timezone ID 'AAA' is invalid in %stimezones.php on line 4 bool(false) Notice: date_default_timezone_set(): Timezone ID 'ZZZ' is invalid in %stimezones.php on line 5 bool(false) bool(true) bool(true) done