致命錯誤：調用一個成員函數getPermissionKeyByHandle（）一個非對象

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致命錯誤：調用一個成員函數getPermissionKeyByHandle（）上非對象在/var/www/vhosts/csvc.nl/httpdocs/cms/updates/concrete5.6.0/concrete/core/models/permission/response.php上線53

PHP代碼是：

<?php 
    defined('C5_EXECUTE') or die("Access Denied."); 
    class Concrete5_Model_PermissionResponse { 

protected $object; 
protected $allowedPermissions = array(); 
protected $customClassObjects = array(); 
protected $category; 
static $cache = array(); 

public function setPermissionObject($object) { 
    $this->object = $object; 
} 
public function getPermissionObject() { 
    return $this->object; 
} 
public function setPermissionCategoryObject($category) { 
    $this->category = $category; 
} 

public function testForErrors() { } 

public static function getResponse($object) { 
    $r = PermissionCache::getResponse($object); 
    if (is_object($r)) { 
     return $r; 
    } 

    $category = PermissionKeyCategory::getByHandle(Loader::helper('text')-  >uncamelcase(get_class($object))); 
    if (!is_object($category) && $object instanceof Page) { 
     $category = PermissionKeyCategory::getByHandle('page'); 
    } 
    $txt = Loader::helper('text'); 
    $c1 = get_class($object) . 'PermissionResponse'; 
    if (!class_exists($c1)) { 
     $c1 = 'PagePermissionResponse'; 
    } 
    $pr = new $c1(); 
    $pr->setPermissionObject($object); 
    $pr->setPermissionCategoryObject($category); 

    PermissionCache::addResponse($object, $pr); 

    return $pr; 
} 

public function validate($permission, $args = array()) { 
    $u = new User(); 
    if ($u->isSuperUser()) { 
     return true; 
    } 

    $pk = $this->category->getPermissionKeyByHandle($permission); 
    if (!$pk) { 
     print t('Unable to get permission key for %s', $permission); 
     exit; 
    } 
    $pk->setPermissionObject($this->object); 
    return call_user_func_array(array($pk, 'validate'), $args); 
} 

public function __call($f, $a) { 
    $permission = substr($f, 3); 
    $permission = Loader::helper('text')->uncamelcase($permission); 
    return $this->validate($permission, $a); 
}

}

有誰知道問題是什麼？

來源

2012-08-31 J.Boes