framework/rbac/PhpManager.php
protected function getDirectPermissionsByUser($userId)
    {
        $permissions = [];
        foreach ($this->getAssignments($userId) as $name => $assignment) {
            $permission = $this->items[$assignment->roleName];
            if ($permission->type === Item::TYPE_PERMISSION) {
                $permissions[$name] = $permission;
            }
        }

        return $permissions;
    }
protected function getDirectPermissionsByUser($userId)
    {
        $permissions = [];
        foreach ($this->getAssignments($userId) as $name => $assignment) {
            $permission = $this->items[$assignment->roleName];
            if ($permission->type === Item::TYPE_PERMISSION) {
                $permissions[$name] = $permission;
            }
        }

        return $permissions;
    }
Returns all permissions that are directly assigned to user.
@param string|int $userId the user ID (see [[\yii\web\User::id]])
@return Permission[] all direct permissions that the user has. The array is indexed by the permission names.
@since 2.0.7