在发布时检查帖子中的空白标题

我有几个wp用户在创建新帖子（和自定义类型帖子）时不插入标题。这意味着永久链接被分配了一个编号作为链接。在我正在开发的多站点中，这通常会停止链接的工作（页面只是刷新）。

当用户在发布前未能在帖子中插入标题时，我想显示一条警告消息（告诉他们插入标题并编辑永久链接）。

我的代码到目前为止都在函数中。php文件：

function check_for_post_title( $post, $ID )
{
    $title = $post->post_title;
    $permalink = get_permalink( $ID );
    if($title ==\'\' || $title == null) {
        no_post_title_notice();
    } else {
        some_post_title_notice();
    }
}
add_action( \'publish_post\', \'check_for_post_title\', 10, 2 );

function no_post_title_notice() {
    ?>
    <div class="notice notice-warning is-dismissible">
        <p><?php _e( \'You have not provided a title for your post/page. This will cause the link to be broken. Please revise\', \'understrap-post-title\' ); ?></p>
    </div>
    <?php
}

function some_post_title_notice() {
    ?>
    <div class="notice notice-warning is-dismissible">
        <p><?php _e( \'I dont know why this message is appearing\', \'understrap-post-title\' ); ?></p>
    </div>
    <?php
}

目前，它不起作用，在发布/更新后，编辑帖子屏幕的顶部不会出现任何通知。不知道为什么它根本没有启动（甚至“else”语句也应该启动一些东西）。我做错了什么？

/** * Checks for empty post title, if empty sets the post status to draft * * @param $data * @param $postarr * * @return array */ function wse_279994_check_post_title( $data, $postarr ) { if ( is_array( $data ) && \'publish\' == $data[\'post_status\'] && empty( $data[\'post_title\'] ) ) { $data[\'post_status\'] = \'draft\'; update_option( \'wse_279994_post_error\', \'empty_title\' ); } return $data; } add_filter( \'wp_insert_post_data\', \'wse_279994_check_post_title\', 10, 2 ); /** * If the post title was empty, do not show post published message */ add_filter( \'post_updated_messages\', \'wse_279994_remove_all_messages\' ); function wse_279994_remove_all_messages( $messages ) { if ( get_option( \'wse_279994_post_error\' ) ) { return array(); } else { return $messages; } } /** * Show admin notice for empty post title */ add_action( \'admin_notices\', \'wse_279994_show_error\' ); function wse_279994_show_error() { $screen = get_current_screen(); if ( $screen->id != \'post\' ) { return; } if ( ! get_option( \'wse_279994_post_error\' ) ) { return; } echo \'<div class="error"><p>\' . esc_html__( "You need to enter a Post Title in order to publish it.", "wse" ) . \'</p></div>\'; delete_option( \'wse_279994_post_error\' ); }

/** * Checks for empty post title, if empty sets the post status to draft * * @param $data * @param $postarr * * @return array */ function wse_279994_check_post_title( $data, $postarr ) { global $post; if( "demo" == get_post_type($post) ){ if ( is_array( $data ) && \'publish\' == $data[\'post_status\'] && empty( $data[\'post_title\'] ) ) { $data[\'post_status\'] = \'draft\'; update_option( \'wse_279994_post_error\', \'empty_title\' ); } } return $data; } add_filter( \'wp_insert_post_data\', \'wse_279994_check_post_title\', 10, 2 );

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