s( $matches['non_cdata_followed_by_cdata'], ENT_XML1 ) . $matches['cdata'];
			},
			$safeText
		);

		$safeText = $safeText ? $safeText : ( $isZero ? $value : '' );

		if ( ! $wrap ) {
			return print( $safeText ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
		}

		printf( '<![CDATA[%1$s]]>', $safeText ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
	}

	/**
	 * Returns the URL for the sitemap stylesheet.
	 *
	 * This is needed for compatibility with multilingual plugins such as WPML.
	 *
	 * @since 4.0.0
	 *
	 * @return string The URL to the sitemap stylesheet.
	 */
	private function xslUrl() {
		return esc_url( apply_filters( 'aioseo_sitemap_xsl_url', aioseo()->helpers->localizedUrl( '/sitemap.xsl' ) ) );
	}
}