php 5.3 Fatal error Class DateTimeZone not found [duplicate]

Question

I tried, to run the following code, on PHP v5.3.13, but still getting the class not found error:

$tZone = new DateTimeZone("Europe/Amsterdam");

How can I use DateTimeZone on 5.3.13?

Answer 1

Try this:

$tZone = new \DateTimeZone("Europe/Amsterdam");