protected function getFontFaceSectionContent() { $content = '<office:font-face-decls>'; foreach ($this->getUsedFonts() as $fontName) { $content .= '<style:font-face style:name="' . $fontName . '" svg:font-family="' . $fontName . '"/>'; } $content .= '</office:font-face-decls>'; return $content; }