Pressbooks\Modules\Export\Epub\Epub201::createDedicationAndEpigraph PHP Method

    protected function createDedicationAndEpigraph($book_contents, $metadata)
    {
        $front_matter_printf = '<div class="front-matter %s" id="%s">';
        $front_matter_printf .= '<div class="front-matter-title-wrap"><h3 class="front-matter-number">%s</h3><h1 class="front-matter-title">%s</h1></div>';
        $front_matter_printf .= '<div class="ugc front-matter-ugc">%s</div>%s';
        $front_matter_printf .= '</div>';
        $vars = array('post_title' => '', 'stylesheet' => $this->stylesheet, 'post_content' => '', 'isbn' => @$metadata['pb_ebook_isbn'], 'lang' => $this->lang);
        $i = $this->frontMatterPos;
        $last_pos = false;
        foreach (array('dedication', 'epigraph') as $compare) {
            foreach ($book_contents['front-matter'] as $front_matter) {
                if (!$front_matter['export']) {
                    continue;
                    // Skip
                }
                $front_matter_id = $front_matter['ID'];
                $subclass = \Pressbooks\Taxonomy::getFrontMatterType($front_matter_id);
                if ($compare != $subclass) {
                    continue;
                    //Skip
                }
                $slug = $front_matter['post_name'];
                $title = get_post_meta($front_matter_id, 'pb_show_title', true) ? $front_matter['post_title'] : '';
                $content = $this->kneadHtml($front_matter['post_content'], 'front-matter', $i);
                $vars['post_title'] = $front_matter['post_title'];
                $vars['post_content'] = sprintf($front_matter_printf, $subclass, $slug, $i, Sanitize\decode($title), $content, '');
                $file_id = 'front-matter-' . sprintf('%03s', $i);
                $filename = "{$file_id}-{$slug}.{$this->filext}";
                file_put_contents($this->tmpDir . "/OEBPS/{$filename}", $this->loadTemplate($this->dir . '/templates/epub201/html.php', $vars));
                $this->manifest[$file_id] = array('ID' => $front_matter['ID'], 'post_title' => $front_matter['post_title'], 'filename' => $filename);
                ++$i;
                $last_pos = $i;
            }
        }
        $this->frontMatterPos = $i;
        if ($last_pos) {
            $this->frontMatterLastPos = $last_pos - 1;
        }
    }