PHP WP_User::get_role_caps方法代码示例

 /**
  * @param \WP_User $user
  * @return UserEntity|null
  */
 protected function _convertToEntity(\WP_User $user)
 {
     $id = (int) $user->ID;
     if ($entity = $this->_getEntity($id)) {
         return $entity;
     }
     $caps = $user->get_role_caps();
     $isAdmin = (bool) Vars::get($caps['administrator'], false);
     $data = new Data(['id' => $id, 'login' => $user->get('user_login'), 'name' => $user->get('display_name'), 'email' => $user->get('user_email'), 'is_admin' => $isAdmin]);
     $this->_users[$id] = new UserEntity($data);
     return $this->_users[$id];
 }

 /**
  * Builds the cache entries for user groups and capabilities if needed.
  * The cache entries are built only if they do not already exist.
  * If you want them rebuilt, delete them before calling.
  * 
  * @param array $capability_ids carries the capability ids for the user on return, but only if cache entries have been built; will provide an empty array by default
  * @param array $capabilities carries the capabilities for the user on return, but only if cache entries have been built; will provide an empty array by default
  * @param array $group_ids carries the group ids for the user on return, but only if cache entries have been built; will provide an empty array by default
  */
 private function init_cache(&$capability_ids = null, &$capabilities = null, &$group_ids = null)
 {
     global $wpdb;
     $capabilities = array();
     $capability_ids = array();
     $group_ids = array();
     if ($this->user !== null && Groups_Cache::get(self::GROUP_IDS . $this->user->ID, self::CACHE_GROUP) === null) {
         $group_table = _groups_get_tablename("group");
         $capability_table = _groups_get_tablename("capability");
         $group_capability_table = _groups_get_tablename("group_capability");
         $user_group_table = _groups_get_tablename("user_group");
         $user_capability_table = _groups_get_tablename("user_capability");
         $limit = $wpdb->get_var("SELECT COUNT(*) FROM {$group_table}");
         if ($limit === null) {
             $limit = 1;
         }
         // note that limits by blog_id for multisite are
         // enforced when a user is added to a blog
         $user_groups = $wpdb->get_results($wpdb->prepare("SELECT group_id FROM {$user_group_table} WHERE user_id = %d", Groups_Utility::id($this->user->ID)));
         // get all capabilities directly assigned (those granted through
         // groups are added below
         $user_capabilities = $wpdb->get_results($wpdb->prepare("SELECT c.capability_id, c.capability FROM {$user_capability_table} uc LEFT JOIN {$capability_table} c ON c.capability_id = uc.capability_id WHERE user_id = %d", Groups_Utility::id($this->user->ID)));
         if ($user_capabilities) {
             foreach ($user_capabilities as $user_capability) {
                 $capabilities[] = $user_capability->capability;
                 $capability_ids[] = $user_capability->capability_id;
             }
         }
         if (apply_filters('groups_user_add_role_capabilities', true)) {
             // Get all capabilities from the WP_User object.
             $role_caps = $this->user->get_role_caps();
             if (!empty($role_caps) && is_array($role_caps)) {
                 $caps = array();
                 foreach ($role_caps as $role_cap => $has) {
                     if ($has && !in_array($role_cap, $capabilities)) {
                         $caps[] = "'" . $role_cap . "'";
                     }
                 }
                 if (!empty($caps)) {
                     // Retrieve the capabilities and only add those that are
                     // recognized. Note that this also effectively filters out
                     // all roles and that this is desired.
                     if ($role_capabilities = $wpdb->get_results("SELECT capability_id, capability FROM {$capability_table} c WHERE capability IN (" . implode(',', $caps) . ")")) {
                         foreach ($role_capabilities as $role_capability) {
                             $capabilities[] = $role_capability->capability;
                             $capability_ids[] = $role_capability->capability_id;
                         }
                     }
                 }
             }
         }
         // Get all groups the user belongs to directly or through
         // inheritance along with their capabilities.
         if ($user_groups) {
             foreach ($user_groups as $user_group) {
                 $group_ids[] = Groups_Utility::id($user_group->group_id);
             }
             if (count($group_ids) > 0) {
                 $iterations = 0;
                 $old_group_ids_count = 0;
                 while ($iterations < $limit && count($group_ids) !== $old_group_ids_count) {
                     $iterations++;
                     $old_group_ids_count = count($group_ids);
                     $id_list = implode(",", $group_ids);
                     $parent_group_ids = $wpdb->get_results("SELECT parent_id FROM {$group_table} WHERE parent_id IS NOT NULL AND group_id IN ({$id_list})");
                     if ($parent_group_ids) {
                         foreach ($parent_group_ids as $parent_group_id) {
                             $parent_group_id = Groups_Utility::id($parent_group_id->parent_id);
                             if (!in_array($parent_group_id, $group_ids)) {
                                 $group_ids[] = $parent_group_id;
                             }
                         }
                     }
                 }
                 $id_list = implode(",", $group_ids);
                 $rows = $wpdb->get_results("SELECT {$group_capability_table}.capability_id, {$capability_table}.capability FROM {$group_capability_table} LEFT JOIN {$capability_table} ON {$group_capability_table}.capability_id = {$capability_table}.capability_id WHERE group_id IN ({$id_list})");
                 if (count($rows) > 0) {
                     foreach ($rows as $row) {
                         if (!in_array($row->capability_id, $capability_ids)) {
                             $capabilities[] = $row->capability;
                             $capability_ids[] = $row->capability_id;
                         }
                     }
                 }
             }
         }
         Groups_Cache::set(self::CAPABILITIES . $this->user->ID, $capabilities, self::CACHE_GROUP);
         Groups_Cache::set(self::CAPABILITY_IDS . $this->user->ID, $capability_ids, self::CACHE_GROUP);
         Groups_Cache::set(self::GROUP_IDS . $this->user->ID, $group_ids, self::CACHE_GROUP);
     }
 }

 function delete_role($role)
 {
     global $wp_roles;
     if ($_POST['confirm']) {
         $defaultrole = get_settings('default_role');
         if ($role == $defaultrole) {
             //LAZY CODE ALERT! we should give the option of changing the default role
             $this->error(__('You cannot delete the default role.', 'role-manager'));
         }
         //remove the role from $wp_roles
         $oldrole = $wp_roles->get_role($role);
         $wp_roles->remove_role($role);
         //remove the role from all the users
         foreach ($this->get_all_user_ids() as $id) {
             //we need a global get_all_user_ids() func
             $user = new WP_User($id);
             //if this role removal would end them up with no roles, assign the default role instead of removing
             if (count($user->get_role_caps()) <= 1) {
                 $user->set_role($defaultrole);
             } else {
                 $user->remove_role($role);
             }
         }
         header('Location: ' . $this->manage_roles_uri() . '&role-deleted=true');
     }
 }