仪表板中未显示的自定义帖子类型字段

我使用下面的代码为“团队”设置了自定义帖子类型。然而，“最新讨论”和“下一场比赛”的字段没有显示在仪表板中。我反复检查了代码，没有发现任何错误。我希望这里有人能帮我弄清楚。

// Register Teams
add_action(\'init\', \'register_teams\');

function register_teams() {

    $labels = array(
        \'name\' => _x(\'Teams\', \'post type general name\'),
        \'singular_name\' => _x(\'Team\', \'post type singular name\'),
        \'add_new\' => _x(\'Add New\', \'team item\'),
        \'add_new_item\' => __(\'Add New Team\'),
        \'edit_item\' => __(\'Edit Team\'),
        \'new_item\' => __(\'New Team\'),
        \'view_item\' => __(\'View Team\'),
        \'search_items\' => __(\'Search Teams\'),
        \'not_found\' =>  __(\'Nothing found\'),
        \'not_found_in_trash\' => __(\'Nothing found in Trash\'),
        \'parent_item_colon\' => \'\'
    );

    $args = array(
        \'labels\' => $labels,
        \'public\' => true,
        \'publicly_queryable\' => true,
        \'show_ui\' => true,
        \'query_var\' => true,
        \'rewrite\' => true,
        \'capability_type\' => \'post\',
        \'hierarchical\' => false,
        \'menu_position\' => null,
        \'menu_icon\' => get_stylesheet_directory_uri() . \'/images/menu-teams.png\',
        \'supports\' => array( \'title\', \'editor\', \'thumbnail\' ),
        \'has_archive\' => true
      );

    register_post_type( \'teams\' , $args );
}

// Add Fields
add_action("admin_init", "add_teams_fields");

function add_teams_fields(){
    add_meta_box("latest_discussion", "Latest Discussion", "latest_discussion", "latest discussions", "side", "low");
    add_meta_box("next_fixture", "Next Fixture", "next_fixture", "next fixture", "side", "low");
}

function latest_discussion(){
    global $post;
    $custom = get_post_custom($post->ID);
    $latest_discussion = $custom["latest_discussion"][0];
    ?>
    <label>Latest Discussion URL:</label><br /><br />
    <input size="40" name="latest_discussion" value="<?php echo $latest_discussion; ?>" />
    <?php
}

function next_fixture(){
    global $post;
    $custom = get_post_custom($post->ID);
    $next_fixture = $custom["next_fixture"][0];
    ?>
    <label>Next Fixture:</label><br /><br />
    <input size="40" name="next_fixture" value="<?php echo $next_fixture; ?>" />
    <?php
}

// Save Fields
add_action(\'save_post\', \'save_teams_details\');

function save_teams_details(){
    global $post;
    update_post_meta($post->ID, "latest_discussion", $_POST["latest_discussion"]);
    update_post_meta($post->ID, "next_fixture", $_POST["next_fixture"]);
}

// Register Teams add_action(\'init\', \'register_teams\'); function register_teams() { $labels = array( \'name\' => _x(\'Teams\', \'post type general name\'), \'singular_name\' => _x(\'Team\', \'post type singular name\'), \'add_new\' => _x(\'Add New\', \'team item\'), \'add_new_item\' => __(\'Add New Team\'), \'edit_item\' => __(\'Edit Team\'), \'new_item\' => __(\'New Team\'), \'view_item\' => __(\'View Team\'), \'search_items\' => __(\'Search Teams\'), \'not_found\' => __(\'Nothing found\'), \'not_found_in_trash\' => __(\'Nothing found in Trash\'), \'parent_item_colon\' => \'\' ); $args = array( \'labels\' => $labels, \'public\' => true, \'publicly_queryable\' => true, \'show_ui\' => true, \'query_var\' => true, \'rewrite\' => true, \'capability_type\' => \'post\', \'hierarchical\' => false, \'menu_position\' => null, \'menu_icon\' => get_stylesheet_directory_uri() . \'/images/menu-teams.png\', \'supports\' => array( \'title\', \'editor\', \'thumbnail\' ), \'has_archive\' => true, \'register_meta_box_cb\' => \'prefix_teams_cpt_add_metaboxes\' ); register_post_type( \'teams\' , $args ); } // Add Metaboxes function prefix_teams_cpt_add_metaboxes(){ add_meta_box("latest_discussion", "Latest Discussion", "prefix_latest_discussion_metabox", "teams", "side", "low"); add_meta_box("next_fixture", "Next Fixture", "prefix_next_fixture_metabox", "teams", "side", "low"); } function prefix_latest_discussion_metabox(){ global $post; $custom = get_post_custom($post->ID); $latest_discussion = $custom["latest_discussion"][0]; ?> <label>Latest Discussion URL:</label><br /><br /> <input size="40" name="latest_discussion" value="<?php echo $latest_discussion; ?>" /> <?php } function prefix_next_fixture_metabox(){ global $post; $custom = get_post_custom($post->ID); $next_fixture = $custom["next_fixture"][0]; ?> <label>Next Fixture:</label><br /><br /> <input size="40" name="next_fixture" value="<?php echo $next_fixture; ?>" /> <?php } // Save Fields add_action(\'save_post\', \'prefix_save_teams_details\'); function prefix_save_teams_details(){ global $post; update_post_meta($post->ID, "latest_discussion", $_POST["latest_discussion"]); update_post_meta($post->ID, "next_fixture", $_POST["next_fixture"]); }

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