framework/RedKiteCms/Content/Page/PageManager.php
public function edit($pageName, array $values)
    {
        $language = $values["language"];
        unset($values["language"]);
        $pageDir = $this->pagesDir . '/' . $pageName . '/' . $language;
        $seoFile = $pageDir . '/seo.json';
        if (null !== $this->username){
            $seoFile = $pageDir . '/' . $this->username . '.json';
        }
        $currentPage = json_decode(FilesystemTools::readFile($seoFile), true);

        $values = $this->slugifyPermalink($values);
        $this->dispatchPermalinkChanged($currentPage, $values);

        $encodedPage = json_encode($values);
        $event = Dispatcher::dispatch(PageEvents::PAGE_EDITING, new PageEditingEvent($seoFile, $encodedPage));
        $encodedPage = $event->getFileContent();
        FilesystemTools::writeFile($seoFile, $encodedPage);

        Dispatcher::dispatch(PageEvents::PAGE_EDITED, new PageEditedEvent($seoFile, $encodedPage));
        DataLogger::log(
            sprintf('Page SEO attributes "%s" for language "%s" were edited', $pageName, $language)
        );

        return $encodedPage;
    }
public function edit($pageName, array $values)
    {
        $language = $values["language"];
        unset($values["language"]);
        $pageDir = $this->pagesDir . '/' . $pageName . '/' . $language;
        $seoFile = $pageDir . '/seo.json';
        if (null !== $this->username){
            $seoFile = $pageDir . '/' . $this->username . '.json';
        }
        $currentPage = json_decode(FilesystemTools::readFile($seoFile), true);

        $values = $this->slugifyPermalink($values);
        $this->dispatchPermalinkChanged($currentPage, $values);

        $encodedPage = json_encode($values);
        $event = Dispatcher::dispatch(PageEvents::PAGE_EDITING, new PageEditingEvent($seoFile, $encodedPage));
        $encodedPage = $event->getFileContent();
        FilesystemTools::writeFile($seoFile, $encodedPage);

        Dispatcher::dispatch(PageEvents::PAGE_EDITED, new PageEditedEvent($seoFile, $encodedPage));
        DataLogger::log(
            sprintf('Page SEO attributes "%s" for language "%s" were edited', $pageName, $language)
        );

        return $encodedPage;
    }
Edits the seo attributes for the given page
@param string $pageName
@param array $values

@return string The json seo content