/**
* 为 WordPress 文章发布按钮添加确认对话框
* https://www.ilxtx.com/a-pop-up-confirmation-window-appears-before-publishing-the-article.html
*/
$c_message = '是否确定发布？';
function lxtx_confirm_publish(){
global $c_message;
echo '<script type="text/javascript"><!--
var publish = document.getElementById("publish");
if (publish !== null) publish.onclick = function(){
    return confirm("'.$c_message.'");
};
// --></script>';
}
add_action('admin_footer', 'lxtx_confirm_publish');