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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Xmf\Database\Tables;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Upgrade from 2.5.10 to 2.5.11  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * See the enclosed file license.txt for licensing information.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * If you did not receive this file, get it at https://www.gnu.org/licenses/gpl-2.0.html  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @copyright    (c) 2000-2019 XOOPS Project (https://xoops.org)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @license          GNU GPL 2 (https://www.gnu.org/licenses/gpl-2.0.html)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package          Upgrade  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @since            2.5.11  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author           XOOPS Team  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class Upgrade_2511 extends XoopsUpgrade  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * __construct  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    public function __construct()  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    { | 
            
            
                                                                        
                            
            
                                    
            
            
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                        parent::__construct(basename(__DIR__));  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->tasks = array('qmail'); | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->usedFiles = array();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Add qmail as valid mailmethod  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return bool  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function check_qmail()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        /* @var XoopsMySQLDatabase $db */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $db = XoopsDatabaseFactory::getDatabaseConnection();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $table = $db->prefix('configoption'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $sql = sprintf(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'SELECT count(*) FROM `%s` '  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            . "WHERE `conf_id` = 64 AND `confop_name` = 'qmail'",  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $db->escape($table)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        /** @var mysqli_result $result */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $result = $db->query($sql);  | 
            
                            
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                        if ($result) { | 
            
                            
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                            $row = $db->fetchRow($result);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            if ($row) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                $count = $row[0];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                return (0 === (int) $count) ? false : true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return false;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Add qmail as valid mailmethod  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * phpMailer has qmail support, similar to but slightly different than sendmail  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * This will allow webmasters to utilize qmail if it is provisioned on server.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return bool  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function apply_qmail()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $migrate = new Tables();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $migrate->useTable('configoption'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $migrate->insert('configoption', | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            array('confop_name' => 'qmail', 'confop_value' => 'qmail', 'conf_id' => 64)); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $migrate->executeQueue(true);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                $upg = new Upgrade_2511();  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                return $upg;  | 
            
            
                                                        
            
                                    
            
            
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This check looks for function or method calls that always return null and whose return value is assigned to a variable.
The method
getObject()can return nothing but null, so it makes no sense to assign that value to a variable.The reason is most likely that a function or method is imcomplete or has been reduced for debug purposes.