shared/functions/get_timezones.php


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<?php
function &get_timezones($dir=null) {
	global $conf;
	static $results;
	if ($dir == null) {
		if (isset($results))
			return $results;
		$results=array();
		$dir=realpath($conf['timezone_root']);
	}
	foreach (glob($dir.'/*') as $file) {
		if (is_dir($file) && !is_link($file))
			get_timezones($file);
		else {
			$file=substr($file, strlen($conf['timezone_root'])+1);
			if ($file != 'zone.tab')
				$results[$file]=str_replace('_', ' ', $file);
		}
	}
	if ($dir == $conf['timezone_root']) {
		natsort($results);
	}
	return $results;
}
?>