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                <?php namespace XoopsModules\Newbb;  | 
            
                            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * NewBB 5.0x,  the forum module for XOOPS project  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @copyright      XOOPS Project (https://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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                 * @author         Taiwen Jiang (phppp or D.J.) <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @since          4.00  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package        module::newbb  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use XoopsModules\Newbb;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                // defined('XOOPS_ROOT_PATH') || die('Restricted access'); | 
            
                            
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                defined('NEWBB_FUNCTIONS_INI') || include $GLOBALS['xoops']->path('modules/newbb/include/functions.ini.php'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                //load_functions('locale'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Class XmlrssHandler  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class XmlrssHandler  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return Xmlrss  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    public function create()  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    { | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $xmlrss = new Newbb\Xmlrss();  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        return $xmlrss;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param $rss  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return array  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function get(Xmlrss $rss)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $rss_array                      = [];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $rss_array['xml_version']       = $rss->xml_version;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $rss_array['xml_encoding']      = $rss->xml_encoding;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $rss_array['rss_version']       = $rss->rss_version;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $rss_array['channel_title']     = $rss->channel_title;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $rss_array['channel_link']      = $rss->channel_link;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $rss_array['channel_desc']      = $rss->channel_desc;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $rss_array['channel_lastbuild'] = $rss->channel_lastbuild;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $rss_array['channel_webmaster'] = $rss->channel_webmaster;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $rss_array['channel_editor']    = $rss->channel_editor;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $rss_array['channel_category']  = $rss->channel_category;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $rss_array['channel_generator'] = $rss->channel_generator;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $rss_array['channel_language']  = $rss->channel_language;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $rss_array['image_title']       = $rss->channel_title;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $rss_array['image_url']         = $rss->image_url;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $rss_array['image_link']        = $rss->channel_link;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $rss_array['image_width']       = $rss->image_width;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $rss_array['image_height']      = $rss->image_height;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $rss_array['items']             = $rss->items;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $rss_array;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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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.