Custom Reading Time Meta Function

/** Custom Reading Time Meta Function */
function custom_reading_time_meta() {

    if ( \JNews\Single\SinglePost::getInstance()->show_reading_time_meta() ) {

        $output = '';

        if ( vp_metabox( 'jnews_single_post.override_template' ) ) {
            $wpm = (int) vp_metabox( 'jnews_single_post.override.0.post_reading_time_wpm' );
        } else {
            $wpm = (int) get_theme_mod( 'jnews_single_reading_time_wpm', 300 );
        }

        $content = get_post_field( 'post_content', get_the_ID() );

        if ( $content && $wpm ) {
            $content    = strip_shortcodes( $content );
            $word_count = str_word_count( $content );
            $word_count = ceil( $word_count / $wpm );
            $reading_time = jnews_return_translation( 'Reading Time: ', 'jnews', 'reading_time' ) . sprintf( _n( jnews_return_translation( '%d min read', 'jnews', 'min_read_s' ), jnews_return_translation( '%d mins read', 'jnews', 'min_read_p', 'jnews' ), $word_count ), $word_count );

            if ( $word_count ) {
                $output =
                    "<div class=\"jeg_meta_reading_time\">
                    <span>
                        " . $reading_time . "
                    </span>
                </div>";
            }
        }

        return jnews_sanitize_by_pass( $output );
    }
}