Description:
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The DateTime::createFromFormat method seems to ignore the DateTimeZone parameter.

On the sample script, $t should be 

Test script:
---------------
$time = "2016-05-25 09:30:00";
// This is the expected timestamp considering $time is in UTC.
$timestamp = 1464168600;
$format = "Y-m-d H:i:s";
$date = \DateTime::createFromFormat($format, $time, new \DateTimeZone('America/Tegucigalpa'));
$t = $date->format('U'); //1464190200

if ($t !== $timestamp) {
  throw new \Exception('¿??¿?¿');
}

Expected result:
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No exception thrown.