已创建自定义帖子类型，但所选模板未保持选中状态

我注册了一个名为Resources的新帖子类型。我将“页面属性”指定为受支持的功能。当我去创建一个新的资源帖子时，我会在模板下看到，我可以从我定义的许多自定义模板中选择。但在我选择此选项并单击“更新”后，设置不会保存，模板也不会使用。有什么想法吗？

function create_post_type() {
register_post_type( \'foo_resources\',
    array(
        \'labels\' => array(
            \'name\' => __( \'Resources\' ),
            \'singular_name\' => __( \'Resource\' )
        ),
    \'public\' => true,
    \'has_archive\' => true,
    \'hierarchical\' => true,
    \'show_ui\' => true,
    \'show_in_menu\' => true,
    \'menu_position\' => 5,   
    \'supports\' => array(\'title\',\'editor\',\'author\',\'page-attributes\'),
    \'rewrite\' => array(
        \'slug\' => \'resources\',
        \'with_front\' => false
    ),      
    )
);

}

/* Define the custom box */ // WP 3.0+ add_action(\'add_meta_boxes\', \'custom_template_add_custom_box\'); // backwards compatible //add_action(\'admin_init\', \'custom_templatet_add_custom_box\', 1); /* Do something with the data entered */ add_action(\'save_post\', \'custom_template_save_postdata\'); /* Adds a box to the main column on the Post and Page edit screens */ function custom_template_add_custom_box() { add_meta_box( \'custom-post-type-template\', \'Custom Post Type Template\', \'custom_template_inner_box\', \'foo_resources\', \'side\' ); } /* Prints the box content */ function custom_template_inner_box( $post ) { // Use nonce for verification wp_nonce_field( plugin_basename(__FILE__), \'custom_template_noncename\' ); if ( 0 != count( get_page_templates() ) ) { $page_template = get_post_meta($post->ID, \'_wp_page_template\', TRUE); ?> <p><strong><?php _e(\'Template\') ?></strong></p> <label class="screen-reader-text" for="page_template"><?php _e(\'Page Template\') ?></label><select name="page_template" id="page_template"> <option value=\'default\'><?php _e(\'Default Template\'); ?></option> <?php page_template_dropdown($page_template); ?> </select> <?php } } /* When the post is saved, saves our custom data */ function custom_template_save_postdata( $post_id ) { // verify this came from the our screen and with proper authorization, // because save_post can be triggered at other times if ( !isset( $_POST[\'custom_template_noncename\'] ) || !wp_verify_nonce( $_POST[\'custom_template_noncename\'], plugin_basename(__FILE__) ) ) return $post_id; // verify if this is an auto save routine. // If it is our form has not been submitted, so we dont want to do anything if ( defined(\'DOING_AUTOSAVE\') && DOING_AUTOSAVE ) return $post_id; // Check permissions if ( \'page\' == $_POST[\'post_type\'] ) { if ( !current_user_can( \'edit_page\', $post_id ) ) return $post_id; } else { if ( !current_user_can( \'edit_post\', $post_id ) ) return $post_id; } // OK, we\'re authenticated: we need to find and save the data $page_template = $_POST[\'page_template\']; if ( !empty($page_template) && \'foo_resources\' == get_post_type($post_id) ) { $page_templates = get_page_templates(); if ( \'default\' != $page_template && !in_array($page_template, $page_templates) ) { if ( $wp_error ) return new WP_Error(\'invalid_page_template\', __(\'The page template is invalid.\')); else return 0; } update_post_meta($post_id, \'_wp_page_template\', $page_template); } } /* Custom template redirection hook */ function custom_template_redirect() { global $post; if ( is_single() && \'foo_resources\' == get_post_type($post) ) { $page_template = get_page_template(); include($page_template); exit; } } add_action("template_redirect", \'custom_template_redirect\');

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