function system_time_zones
7.x system.module | system_time_zones($blank = NULL) |
Generate an array of time zones and their local time&date.
Parameters
$blank: If evaluates true, prepend an empty time zone option to the array.
5 calls to system_time_zones()
- system_regional_settings in drupal-7.x/
modules/ system/ system.admin.inc - Form builder; Configure the site regional settings.
- system_update_7013 in drupal-7.x/
modules/ system/ system.install - Convert default time zone offset to default time zone name.
- system_user_timezone in drupal-7.x/
modules/ system/ system.module - Add the time zone field to the user edit and register forms.
- user_update_7002 in drupal-7.x/
modules/ user/ user.install - Convert user time zones from time zone offsets to time zone names.
- _install_configure_form in drupal-7.x/
includes/ install.core.inc - Form constructor for a site configuration form.
File
- drupal-7.x/
modules/ system/ system.module, line 3335 - Configuration system that lets administrators modify the workings of the site.
Code
function system_time_zones($blank = NULL) {
$zonelist = timezone_identifiers_list();
$zones = $blank ? array('' => t('- None selected -')) : array();
foreach ($zonelist as $zone) {
// Because many time zones exist in PHP only for backward compatibility
// reasons and should not be used, the list is filtered by a regular
// expression.
if (preg_match('!^((Africa|America|Antarctica|Arctic|Asia|Atlantic|Australia|Europe|Indian|Pacific)/|UTC$)!', $zone)) {
$zones[$zone] = t('@zone: @date', array('@zone' => t(str_replace('_', ' ', $zone)), '@date' => format_date(REQUEST_TIME, 'custom', variable_get('date_format_long', 'l, F j, Y - H:i') . ' O', $zone)));
}
}
// Sort the translated time zones alphabetically.
asort($zones);
return $zones;
}