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                <?php  | 
            
                            
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                /*  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 You may not change or alter any portion of this comment or credits  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 of supporting developers from this source code or any supporting source code  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 which is considered copyrighted (c) material of the original comment or credit authors.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 This program is distributed in the hope that it will be useful,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 but WITHOUT ANY WARRANTY; without even the implied warranty of  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  Publisher class  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @copyright       The XUUPS Project http://sourceforge.net/projects/xuups/  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @license         http://www.fsf.org/copyleft/gpl.html GNU public license  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package         Publisher  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @since           1.0  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author          trabis <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @version         $Id: groupperm.php 10374 2012-12-12 23:39:48Z trabis $  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                // defined('XOOPS_ROOT_PATH') || exit('XOOPS root path not defined'); | 
            
                            
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                include_once $GLOBALS['xoops']->path('kernel/groupperm.php'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                include_once dirname(__DIR__) . '/include/common.php';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Class PublisherGroupPermHandler  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class PublisherGroupPermHandler extends XoopsGroupPermHandler  | 
            
                            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Check permission  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string              $gpermName    Name of permission  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param int                 $gpermItemId  ID of an item  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param int          /array $gpermGroupId A group ID or an array of group IDs  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param int                 $gpermModId   ID of a module  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return bool TRUE if permission is enabled  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                     */  | 
            
            
                                                        
            
                                    
            
            
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                    public function checkRight($gpermName, $gpermItemId, $gpermGroupId, $gpermModId = 1)  | 
            
            
                                                        
            
                                    
            
            
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                    { | 
            
            
                                                        
            
                                    
            
            
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                        $criteria = new CriteriaCompo(new Criteria('gperm_modid', $gpermModId)); | 
            
            
                                                        
            
                                    
            
            
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                        $criteria->add(new Criteria('gperm_name', $gpermName)); | 
            
            
                                                        
            
                                    
            
            
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                        $gpermItemId = (int)$gpermItemId;  | 
            
            
                                                        
            
                                    
            
            
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                        if ($gpermItemId > 0) { | 
            
            
                                                        
            
                                    
            
            
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                            $criteria->add(new Criteria('gperm_itemid', $gpermItemId)); | 
            
            
                                                        
            
                                    
            
            
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                        }  | 
            
            
                                                        
            
                                    
            
            
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                        if (is_array($gpermGroupId)) { | 
            
            
                                                        
            
                                    
            
            
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                            $criteria2 = new CriteriaCompo();  | 
            
            
                                                        
            
                                    
            
            
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                            foreach ($gpermGroupId as $gid) { | 
            
            
                                                        
            
                                    
            
            
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                                $criteria2->add(new Criteria('gperm_groupid', $gid), 'OR'); | 
            
            
                                                        
            
                                    
            
            
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                            }  | 
            
            
                                                        
            
                                    
            
            
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                            $criteria->add($criteria2);  | 
            
            
                                                        
            
                                    
            
            
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                        } else { | 
            
            
                                                        
            
                                    
            
            
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                            $criteria->add(new Criteria('gperm_groupid', $gpermGroupId)); | 
            
            
                                                        
            
                                    
            
            
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                        }  | 
            
            
                                                        
            
                                    
            
            
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                        return $this->getCount($criteria) > 0;  | 
            
            
                                                        
            
                                    
            
            
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                    }  | 
            
            
                                                        
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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The PSR-1: Basic Coding Standard recommends that a file should either introduce new symbols, that is classes, functions, constants or similar, or have side effects. Side effects are anything that executes logic, like for example printing output, changing ini settings or writing to a file.
The idea behind this recommendation is that merely auto-loading a class should not change the state of an application. It also promotes a cleaner style of programming and makes your code less prone to errors, because the logic is not spread out all over the place.
To learn more about the PSR-1, please see the PHP-FIG site on the PSR-1.