PHP members_is_role_editable函数代码示例

 /**
  * Adds the meta box.
  *
  * @since  1.0.0
  * @access public
  * @param  string  $screen_id
  * @param  string  $role
  * @return void
  */
 public function add_meta_boxes($screen_id, $role = '')
 {
     // If role isn't editable, bail.
     if ($role && !members_is_role_editable($role)) {
         return;
     }
     // Add the meta box.
     add_meta_box('newcapdiv', esc_html__('Custom Capability', 'members'), array($this, 'meta_box'), $screen_id, 'side', 'core');
 }

    /**
     * Outputs the role level meta box.
     *
     * @since  1.0.0
     * @access public
     * @param  object  $role
     * @return void
     */
    public function meta_box($role)
    {
        // If the role isn't editable, the field should be read-only.
        $is_editable = $role ? members_is_role_editable($role->name) : true;
        $readonly = $is_editable ? '' : ' disabled="disabled" readonly="readonly"';
        // Get the role level.
        $role_level = mrl_get_role_level($role);
        // If there is no role level, check if cloning or error.
        if (!$role_level) {
            // If there was a posted level (error).
            if (isset($_POST['mrl-role-level']) && mrl_is_valid_level($_POST['mrl-role-level'])) {
                $role_level = $_POST['mrl-role-level'];
            } else {
                if (isset($_GET['page']) && 'role-new' === $_GET['page'] && !empty($_GET['clone'])) {
                    $role_level = mrl_get_role_level(members_sanitize_role($_GET['clone']));
                }
            }
        }
        // If still no level, set it to `level_0`.
        $role_level = $role_level ? $role_level : 'level_0';
        wp_nonce_field('role_level', 'mrl_role_level_nonce');
        ?>

		<p>
			<select class="widefat" name="mrl-role-level"<?php 
        echo $readonly;
        ?>
>

				<?php 
        foreach (mrl_get_role_levels() as $level => $label) {
            ?>

					<option value="<?php 
            echo esc_attr($level);
            ?>
" <?php 
            selected($level, $role_level);
            ?>
><?php 
            echo esc_html($label);
            ?>
</option>

				<?php 
        }
        ?>

			</select>
		</p>
	<?php 
    }

 /**
  * Handles the row actions.
  *
  * @since  1.0.0
  * @access protected
  * @param  string     $role
  * @param  string     $column_name
  * @param  string     $primary
  * @return array
  */
 protected function handle_row_actions($role, $column_name, $primary)
 {
     $actions = array();
     // Only add row actions on the primary column (title/role name).
     if ($primary === $column_name) {
         // If the role can be edited.
         if (members_is_role_editable($role)) {
             // If the current user can edit the role, add an edit link.
             if (current_user_can('edit_roles')) {
                 $actions['edit'] = sprintf('<a href="%s">%s</a>', esc_url(members_get_edit_role_url($role)), esc_html__('Edit', 'members'));
             }
             // If the current user can delete the role, add a delete link.
             if (is_multisite() && is_super_admin() && $role !== $this->default_role || current_user_can('delete_roles') && $role !== $this->default_role && !current_user_can($role)) {
                 $actions['delete'] = sprintf('<a class="members-delete-role-link" href="%s">%s</a>', esc_url(members_get_delete_role_url($role)), esc_html__('Delete', 'members'));
             }
             // If the role cannot be edited.
         } else {
             // Add the view role link.
             $actions['view'] = sprintf('<a href="%s">%s</a>', esc_url(members_get_edit_role_url($role)), esc_html__('View', 'members'));
         }
         // If the current user can create roles, add the clone role link.
         if (current_user_can('create_roles')) {
             $actions['clone'] = sprintf('<a href="%s">%s</a>', esc_url(members_get_clone_role_url($role)), esc_html__('Clone', 'members'));
         }
         // If this is the default role and the current user can manage options, add a default role change link.
         if (current_user_can('manage_options') && $role === $this->default_role) {
             $actions['default_role'] = sprintf('<a href="%s">%s</a>', esc_url(admin_url('options-general.php#default_role')), esc_html__('Change Default', 'members'));
         }
         // If the currrent user can view users, add a users link.
         if (current_user_can('list_users')) {
             $actions['users'] = sprintf('<a href="%s">%s</a>', members_get_role_users_url($role), esc_html__('Users', 'members'));
         }
         // Allow devs to filter the row actions.
         $actions = apply_filters('members_roles_row_actions', $actions, $role);
     }
     return $this->row_actions($actions);
 }

    /**
     * Outputs the meta box HTML.
     *
     * @since  1.0.0
     * @access public
     * @param  object  $role
     * @return void
     */
    public function meta_box($role)
    {
        // Set up some defaults for new roles.
        $is_editable = true;
        $user_count = 0;
        $grant_count = 0;
        $deny_count = 0;
        // If we're editing a role, overwrite the defaults.
        if ($role) {
            $is_editable = members_is_role_editable($role->name);
            $user_count = members_get_role_user_count($role->name);
            $grant_count = members_get_role_granted_cap_count($role->name);
            $deny_count = members_get_role_denied_cap_count($role->name);
        }
        ?>

		<div class="submitbox" id="submitpost">

			<div id="misc-publishing-actions">

				<div class="misc-pub-section misc-pub-section-users">
					<i class="dashicons dashicons-admin-users"></i>
					<?php 
        esc_html_e('Users:', 'members');
        ?>
					<strong class="user-count"><?php 
        echo number_format_i18n($user_count);
        ?>
</strong>
				</div>

				<div class="misc-pub-section misc-pub-section-granted">
					<i class="dashicons dashicons-yes"></i>
					<?php 
        esc_html_e('Granted:', 'members');
        ?>
					<strong class="granted-count"><?php 
        echo number_format_i18n($grant_count);
        ?>
</strong>
				</div>

				<div class="misc-pub-section misc-pub-section-denied">
					<i class="dashicons dashicons-no"></i>
					<?php 
        esc_html_e('Denied:', 'members');
        ?>
					<strong class="denied-count"><?php 
        echo number_format_i18n($deny_count);
        ?>
</strong>
				</div>

			</div><!-- #misc-publishing-actions -->

			<div id="major-publishing-actions">

				<div id="delete-action">

					<?php 
        if ($is_editable && $role) {
            ?>
						<a class="submitdelete deletion members-delete-role-link" href="<?php 
            echo esc_url(members_get_delete_role_url($role->name));
            ?>
"><?php 
            echo esc_html_x('Delete', 'delete role', 'members');
            ?>
</a>
					<?php 
        }
        ?>
				</div>

				<div id="publishing-action">

					<?php 
        if ($is_editable) {
            ?>
						<?php 
            submit_button($role ? esc_attr__('Update', 'members') : esc_attr__('Add Role', 'members'), 'primary', 'publish', false, array('id' => 'publish'));
            ?>
					<?php 
        }
        ?>

				</div><!-- #publishing-action -->

				<div class="clear"></div>

			</div><!-- #major-publishing-actions -->

//.........这里部分代码省略.........

 /**
  * Runs on the `load-{$page}` hook.  This is the handler for form submissions.
  *
  * @since  1.0.0
  * @access public
  * @return void
  */
 public function load()
 {
     // If the current user can't edit roles, don't proceed.
     if (!current_user_can('edit_roles')) {
         wp_die(esc_html__('Whoah, partner!', 'members'));
     }
     // Get the current role object to edit.
     $this->role = get_role(members_sanitize_role($_GET['role']));
     // If we don't have a real role, die.
     if (is_null($this->role)) {
         wp_die(esc_html__('The requested role to edit does not exist.', 'members'));
     }
     $this->members_role = members_get_role($this->role->name);
     // Get all the capabilities.
     $this->capabilities = members_get_capabilities();
     // Add all caps from the cap groups.
     foreach (members_get_cap_groups() as $group) {
         $this->capabilities = array_merge($this->capabilities, $group->caps);
     }
     // Make sure we have a unique array of caps.
     $this->capabilities = array_unique($this->capabilities);
     // Is the role editable?
     $this->is_editable = members_is_role_editable($this->role->name);
     // Check if the form has been submitted.
     if ($this->is_editable && isset($_POST['members_edit_role_nonce'])) {
         // Verify the nonce.
         check_admin_referer('edit_role', 'members_edit_role_nonce');
         // Get the granted and denied caps.
         $grant_caps = !empty($_POST['grant-caps']) ? array_unique($_POST['grant-caps']) : array();
         $deny_caps = !empty($_POST['deny-caps']) ? array_unique($_POST['deny-caps']) : array();
         // Get the new (custom) granted and denied caps.
         $grant_new_caps = !empty($_POST['grant-new-caps']) ? array_unique($_POST['grant-new-caps']) : array();
         $deny_new_caps = !empty($_POST['deny-new-caps']) ? array_unique($_POST['deny-new-caps']) : array();
         // Get the all and custom cap group objects.
         $all_group = members_get_cap_group('all');
         $custom_group = members_get_cap_group('custom');
         // New caps to push to cap groups on update.
         $push_caps = array();
         // Set the $role_updated variable to true.
         $this->role_updated = true;
         // Loop through all available capabilities.
         foreach ($this->capabilities as $cap) {
             // Get the posted capability.
             $grant_this_cap = in_array($cap, $grant_caps);
             $deny_this_cap = in_array($cap, $deny_caps);
             // Does the role have the cap?
             $is_granted_cap = $this->role->has_cap($cap);
             $is_denied_cap = isset($this->role->capabilities[$cap]) && false === $this->role->capabilities[$cap];
             if ($grant_this_cap && !$is_granted_cap) {
                 $this->role->add_cap($cap);
             } else {
                 if ($deny_this_cap && !$is_denied_cap) {
                     $this->role->add_cap($cap, false);
                 } else {
                     if (!$grant_this_cap && $is_granted_cap) {
                         $this->role->remove_cap($cap);
                     } else {
                         if (!$deny_this_cap && $is_denied_cap) {
                             $this->role->remove_cap($cap);
                         }
                     }
                 }
             }
         }
         // End loop through existing capabilities.
         // Loop through the custom granted caps.
         foreach ($grant_new_caps as $grant_new_cap) {
             $_cap = members_sanitize_cap($grant_new_cap);
             // If not an existing cap, add it.
             if (!in_array($_cap, $this->capabilities)) {
                 $this->role->add_cap($_cap);
                 $push_caps[] = $_cap;
             }
         }
         // Loop through the custom denied caps.
         foreach ($deny_new_caps as $deny_new_cap) {
             $_cap = members_sanitize_cap($deny_new_cap);
             // If not a granted cap and not an existing cap, add it.
             if (!in_array($_cap, $this->capabilities) && !in_array($_cap, $grant_new_caps)) {
                 $this->role->add_cap($_cap, false);
                 $push_caps[] = $_cap;
             }
         }
         // If there are new caps, add them to the all and custom groups.
         if ($push_caps) {
             if ($all_group) {
                 $all_group->caps[] = $_cap;
                 sort($all_group->caps);
             }
             if ($custom_group) {
                 $custom_group->caps[] = $_cap;
                 sort($custom_group->caps);
             }
//.........这里部分代码省略.........

 /**
  * Adds custom data to the json array. This data is passed to the Underscore template.
  *
  * @since  1.0.0
  * @access public
  * @return void
  */
 public function to_json()
 {
     // Is the role editable?
     $is_editable = $this->manager->role ? members_is_role_editable($this->manager->role->name) : true;
     // Set up the ID and class.
     $this->json['id'] = $this->section;
     $this->json['class'] = 'members-tab-content' . ($is_editable ? ' editable-role' : '');
 }

 /**
  * Adds custom data to the json array. This data is passed to the Underscore template.
  *
  * @since  1.0.0
  * @access public
  * @return void
  */
 public function to_json()
 {
     // Is the role editable?
     $is_editable = $this->manager->role ? members_is_role_editable($this->manager->role->name) : true;
     // Get the current capability.
     $this->json['cap'] = $this->cap;
     // Add the section ID.
     $this->json['section'] = $this->section;
     // If the cap is not editable, the inputs should be read-only.
     $this->json['readonly'] = $is_editable ? '' : ' disabled="disabled" readonly="readonly"';
     // Set up the input labels.
     $this->json['label'] = array('grant' => sprintf(esc_html__('Grant %s capability', 'members'), "<code>{$this->cap}</code>"), 'deny' => sprintf(esc_html__('Deny %s capability', 'members'), "<code>{$this->cap}</code>"));
     // Set up the input `name` attributes.
     $this->json['name'] = array('grant' => 'grant-caps[]', 'deny' => 'deny-caps[]');
     // Is this a granted or denied cap?
     $this->json['is_granted_cap'] = isset($this->manager->has_caps[$this->cap]) && $this->manager->has_caps[$this->cap];
     $this->json['is_denied_cap'] = isset($this->manager->has_caps[$this->cap]) && false === $this->manager->has_caps[$this->cap];
 }

 /**
  * Callback function for handling user role changes.  Note that we needed to execute this function
  * on a different hook, `profile_update`.  Using the normal hooks on the edit user screen won't work
  * because WP will wipe out the role.
  *
  * @since  1.0.0
  * @access public
  * @param  int    $user_id
  * @return void
  */
 public function role_update($user_id)
 {
     // If the current user can't promote users or edit this particular user, bail.
     if (!current_user_can('promote_users') || !current_user_can('edit_user', $user_id)) {
         return;
     }
     // Is this a role change?
     if (!isset($_POST['members_new_user_roles_nonce']) || !wp_verify_nonce($_POST['members_new_user_roles_nonce'], 'new_user_roles')) {
         return;
     }
     // Create a new user object.
     $user = new WP_User($user_id);
     // If we have an array of roles.
     if (!empty($_POST['members_user_roles'])) {
         // Get the current user roles.
         $old_roles = (array) $user->roles;
         // Sanitize the posted roles.
         $new_roles = array_map('members_sanitize_role', $_POST['members_user_roles']);
         // Loop through the posted roles.
         foreach ($new_roles as $new_role) {
             // If the user doesn't already have the role, add it.
             if (!in_array($new_role, (array) $user->roles)) {
                 $user->add_role($new_role);
             }
         }
         // Loop through the current user roles.
         foreach ($old_roles as $old_role) {
             // If the role is editable and not in the new roles array, remove it.
             if (members_is_role_editable($old_role) && !in_array($old_role, $new_roles)) {
                 $user->remove_role($old_role);
             }
         }
         // If the posted roles are empty.
     } else {
         // Loop through the current user roles.
         foreach ((array) $user->roles as $old_role) {
             // Remove the role if it is editable.
             if (members_is_role_editable($old_role)) {
                 $user->remove_role($old_role);
             }
         }
     }
 }