/** * Display upgrade form. */ function upgrade() { $this->validate(); $this->setupTemplate(); if (($setLocale = PKPRequest::getUserVar('setLocale')) != null && AppLocale::isLocaleValid($setLocale)) { PKPRequest::setCookieVar('currentLocale', $setLocale); } $installForm = new UpgradeForm(); $installForm->initData(); $installForm->display(); }