/**
* Loads the states from the xml file.
* @return void
*/
private static function loadStates()
{
if (is_null(self::$file)) {
self::$file = dirname(__FILE__) . '/Options/states.xml';
}
if (!is_file(self::$file)) {
throw new Exception('States XML file does not exist.');
}
// Load xml file
$xml = simplexml_load_file(self::$file);
$states = array();
// loop through states
foreach ($xml as $state) {
$states[(string) $state->code] = array('code' => (string) $state->code, 'name' => (string) $state->name, 'isus' => $state->isus == 'yes' ? true : false);
}
// Cache states
self::$states = $states;
// Clear xml instance
unset($xml, $states, $state);
}
