/**
* Loads the timezone choices
*
* The choices are generated from the ICU function
* \DateTimeZone::listIdentifiers(). They are cached during a single request,
* so multiple timezone fields on the same page don't lead to unnecessary
* overhead.
*
* @return array The timezone choices
*/
protected function load()
{
parent::load();
if (count(self::$timezones) == 0) {
foreach (\DateTimeZone::listIdentifiers() as $timezone) {
$parts = explode('/', $timezone);
if (count($parts) > 2) {
$region = $parts[0];
$name = $parts[1].' - '.$parts[2];
} else if (count($parts) > 1) {
$region = $parts[0];
$name = $parts[1];
} else {
$region = 'Other';
$name = $parts[0];
}
if (!isset(self::$timezones[$region])) {
self::$timezones[$region] = array();
}
self::$timezones[$region][$timezone] = str_replace('_', ' ', $name);
}
}
$this->choices = self::$timezones;
}
/**
* Initializes the list of choices.
*
* Each choices is padded according to the format given in the constructor
*
* @throws UnexpectedTypeException if the function does not return an array
*/
protected function load()
{
parent::load();
foreach ($this->choices as $key => $choice) {
$this->choices[$key] = str_pad($choice, $this->padLength, $this->padString, $this->padType);
}
}
protected function load()
{
parent::load();
$choices = $this->choices;
$this->choices = array();
foreach ($choices as $value) {
$this->choices[$value] = str_pad($value, $this->padLength, $this->padString, $this->padType);
}
}