<?php
$preference = BOL_PreferenceService::getInstance()->findPreference('timeZoneSelect');
if ( empty($preference) )
{
$preference = new BOL_Preference();
}
$preference->key = 'timeZoneSelect';
$preference->sectionName = 'general';
$preference->defaultValue = json_encode(null);
$preference->sortOrder = 1;
BOL_PreferenceService::getInstance()->savePreference($preference);