Creating custom user roles

我需要创建一个自定义用户角色，该角色将能够创建帖子（特定帖子类型），但不能发布帖子（就像当前contributor role.

我对如何创建新的role 或capability 为了实现这一点。如何/从哪里开始？

谢谢

UPDATE:我按照Eric Holmes的建议，将这些添加到自定义post函数中

\'capabilities\' => array(
    \'edit_posts\' => \'edit_helps\',
    \'edit_post\' => \'edit_help\',
    \'read_post\' => \'read_helps\',
),

将这些添加到插件激活挂钩，在停用挂钩中添加了相反的内容（我正在修改参与者角色本身）：

function modify_user_capabilities() {
  $role = get_role( \'contributor\' );
  $role->remove_cap( \'delete_posts\' );
  $role->remove_cap( \'edit_posts\' );
  $role->add_cap(\'edit_helps\');
  $role->add_cap(\'edit_help\');
  $role->add_cap(\'read_helps\');
  }

register_activation_hook( __FILE__, \'modify_user_capabilities\' );

现在只有投稿人可以编辑此帖子类型，其他用户（如管理员）不能编辑此帖子类型

是否有更好的方法批量分配这些功能？我将激活挂钩编辑为：

function modify_user_capabilities() {
  $role = get_role( \'contributor\' );
  $role->remove_cap( \'delete_posts\' );
  $role->remove_cap( \'edit_posts\' );

  foreach (array(\'administrator\', \'editor\', \'author\', \'contributor\') as $user_role) {
    $role = get_role($user_role);
    $role->add_cap(\'edit_helps\');
    $role->add_cap(\'edit_help\');
    $role->add_cap(\'read_helps\');
  }  
}

UPDATE 2:我完全忘了指定人删除帖子。所以我更新了函数：

function modify_user_capabilities() {

  //remove the contributor from editing any post
  $role = get_role( \'contributor\' );
  $role->remove_cap( \'delete_posts\' );
  $role->remove_cap( \'edit_posts\' );

  foreach (array(\'administrator\', \'editor\', \'author\', \'contributor\') as $user_role) {
    $role = get_role($user_role);
    $role->add_cap(\'edit_helps\');
    $role->add_cap(\'edit_help\');
    $role->add_cap(\'read_helps\');
  }
  //let admins delete posts
  $role = get_role(\'administrator\');
  $role->add_cap(\'delete_helps\');
  $role->add_cap(\'delete_publised_helps\');
  $role->add_cap(\'delete_others_helps\');
  $role->add_cap(\'delete_help\');
}

现在管理员可以删除这些帖子。

$caps = array( \'edit_post\' => \'edit_cpt_name\', \'edit_posts\' => \'edit_cpt_names\', \'manage_posts\' => \'manage_cpt_names\', \'publish_posts\' => \'publish_cpt_names\', \'edit_others_posts\' => \'edit_others_cpt_names\', \'delete_posts\' => \'delete_cpt_names\' );

add_role(\'basic_contributor\', \'Basic Contributor\', array( \'read\' => true, \'edit_posts\' => false, \'edit_cpt_name\' => true, // True allows that capability \'edit_cpt_names\' => true, \'publish_cpt_names\' => true, \'edit_others_cpt_names\' => false, // Use false to explicitly deny \'delete_cpt_names\' => false ));

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