PKPSiteSettingsForm::uploadPageHeaderTitleImage PHP Method

    function uploadPageHeaderTitleImage($locale)
    {
        import('classes.file.PublicFileManager');
        $publicFileManager = new PublicFileManager();
        $site = Request::getSite();
        if ($publicFileManager->uploadedFileExists('pageHeaderTitleImage')) {
            $type = $publicFileManager->getUploadedFileType('pageHeaderTitleImage');
            $extension = $publicFileManager->getImageExtension($type);
            if (!$extension) {
                return false;
            }
            $uploadName = 'pageHeaderTitleImage_' . $locale . $extension;
            if ($publicFileManager->uploadSiteFile('pageHeaderTitleImage', $uploadName)) {
                $siteDao = DAORegistry::getDAO('SiteDAO');
                $setting = $site->getSetting('pageHeaderTitleImage');
                list($width, $height) = getimagesize($publicFileManager->getSiteFilesPath() . '/' . $uploadName);
                $setting[$locale] = array('originalFilename' => $publicFileManager->getUploadedFileName('pageHeaderTitleImage'), 'width' => $width, 'height' => $height, 'uploadName' => $uploadName, 'dateUploaded' => Core::getCurrentDate());
                $site->updateSetting('pageHeaderTitleImage', $setting, 'object', true);
            }
        }
        return true;
    }