字幕shortcode for wordpress not working

Question

我想添加字幕標籤短代碼其不工作。如何將其添加到前端？

function marquee_shortcode($atts, $content = null) 
{ 
    return '<marqee>'.$content.'</marqee>'; 
} 
    add_shortcode('marquee', 'marquee_shortcode'); 

Answer 1

 
add_shortcode('marquee', function ($content = null) { 
    return (isset($content) && !empty($content))? ''.$content.'' : 'Please provide content'; 
}); 

will do the trick