Online PHP editor | refs for OkrYv

@ 2013-06-27T09:39:35Z

<?php
$tzs = array(
    'Europe/London',
    'America/New_York',
    'America/Costa_Rica',
);

foreach ( $tzs as $tz ) {
	preg_match('/([[:alpha:]\/]{3,30})(?!.*([[:alpha:]\/]{3,30}))/', $tz, $match);
	echo $tz . ' => ' . $match[0] . PHP_EOL;
}