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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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                namespace Xmf\Module\Helper;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Xmf\Module\Helper\AbstractHelper defines the basis for various  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * helpers that simplify routine module tasks.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @category  Xmf\Module\Helper\AbstractHelper  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package   Xmf  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author    trabis <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author    Richard Griffith <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @copyright 2011-2016 XOOPS Project (http://xoops.org)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @license   GNU GPL 2 or later (http://www.gnu.org/licenses/gpl-2.0.html)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @version   Release: 1.0  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @link      http://xoops.org  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @since     1.0  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                abstract class AbstractHelper  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @var XoopsModule  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected $module;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @var bool true if debug is enabled  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected $debug;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Instantiate a XoopsModule object for the helper to use.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * The module is determined as follows:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * - if null is passed, use the current module  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * - if a string is passed, use as dirname to load  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string|null $dirname dirname  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    public function __construct($dirname = null)  | 
            
                            
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                    { | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->module = null;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        if (class_exists('Xoops', false)) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $xoops = \Xoops::getInstance();  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        if (empty($dirname)) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                            // nothing specified, use current module  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            // check if we are running in 2.6  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            if (isset($xoops)) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                                if ($xoops->isModule()) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                                    $this->module = $xoops->module;  | 
            
                            
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                                }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            } else { | 
            
            
                                                                        
                            
            
                                    
            
            
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                                $this->module = $GLOBALS['xoopsModule'];  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        } else { | 
            
            
                                                                        
                            
            
                                    
            
            
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                            // assume dirname specified, try to get a module object  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            if (isset($xoops)) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                                $moduleHandler = $xoops->getHandlerModule();  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            } else { | 
            
            
                                                                        
                            
            
                                    
            
            
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                                $moduleHandler = xoops_getHandler('module'); | 
            
                            
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                            }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $this->module = $moduleHandler->getByDirname($dirname);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        if (is_object($this->module)) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $this->init();  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * init() is called once/if __construct has a module object.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * $this->module will have a module object that any further  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * initialization can use.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return void  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    abstract public function init();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Set debug option on or off  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param bool $bool true to turn on debug logging, false for off  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return void  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function setDebug($bool = true)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->debug = (bool) $bool;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Add a message to the module log  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $log log message  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return void  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function addLog($log)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ($this->debug) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            \Xoops::getInstance()->logger()->debug($log, array('channel'=>'Extra')); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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Instead of super-globals, we recommend to explicitly inject the dependencies of your class. This makes your code less dependent on global state and it becomes generally more testable: