<?php

ini_set("intl.error_level", E_WARNING);
$tz = IntlTimeZone::createEnumeration('NL');
var_dump(get_class($tz));
$count = count(iterator_to_array($tz));
var_dump($count >= 1);
$tz->rewind();
var_dump(in_array('Europe/Amsterdam', iterator_to_array($tz)));
?>
==DONE==
<?php

ini_set("intl.error_level", E_WARNING);
$tz = IntlTimeZone::createEnumeration(3600000);
var_dump(get_class($tz));
$count = count(iterator_to_array($tz));
var_dump($count > 20);
$tz->rewind();
var_dump(in_array('Europe/Amsterdam', iterator_to_array($tz)));
?>
==DONE==
<?php

ini_set("intl.error_level", E_WARNING);
var_dump(IntlTimeZone::createEnumeration(array()));
var_dump(IntlTimeZone::createEnumeration(1, 2));