| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  * ErrorPage holds the content for the page of an error response. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * Renders the page on each publish action into a static HTML file | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * within the assets directory, after the naming convention | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * /assets/error-<statuscode>.html. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * This enables us to show errors even if PHP experiences a recoverable error. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * ErrorPages | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  * @see Debug::friendlyError() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  * @package cms | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 13 |  |  |  */ | 
            
                                                                        
                            
            
                                    
            
            
                | 14 |  |  | class PageNotFound extends ErrorPage | 
                            
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                | 15 |  |  | { | 
            
                                                                        
                            
            
                                    
            
            
                | 16 |  |  |     public static $icon = "mysite/images/treeIcons/PageNotFound"; | 
            
                                                                        
                            
            
                                    
            
            
                | 17 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 18 |  |  |     public static $hide_ancestor = "ErrorPage"; | 
            
                                                                        
                            
            
                                    
            
            
                | 19 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |     public function doPublish() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |         parent::doPublish(); | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 23 |  |  |     } | 
            
                                                                        
                            
            
                                    
            
            
                | 24 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |  * Controller for ErrorPages. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |  * @package cms | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  | class PageNotFound_Controller extends ErrorPage_Controller | 
                            
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                | 30 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |     private static $old_to_new_array = array(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |     public static function set_old_to_new_array(array $a) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |         self::$old_to_new_array = $a; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |     public function init() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |         parent::init(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |         $bt = defined('DB::USE_ANSI_SQL') ? "\"" : "`"; | 
                            
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                | 42 |  |  |         $page = null; | 
                            
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                | 43 |  |  |         //NOTE: this function (Director::urlParam) is depreciated, but should actuall be kept | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |         $URLSegment = Director::urlParam("URLSegment"); | 
                            
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                | 45 |  |  |         $Action = Director::urlParam("Action"); | 
                            
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                | 46 |  |  |         foreach (self::$old_to_new_array as $oldURL => $newURL) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |             if ($URLSegment == $oldURL) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |                 $page = DataObject::get_one("SiteTree", "URLSegment = '$newURL'"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |                 Director::redirect($page->Link(), 301); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |             } elseif ($URLSegment."/".$Action == $oldURL) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |                 $page = DataObject::get_one("SiteTree", "URLSegment = '$newURL'"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |                 Director::redirect($page->Link(), 301); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 56 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 57 |  |  |  | 
            
                        
You can fix this by adding a namespace to your class:
When choosing a vendor namespace, try to pick something that is not too generic to avoid conflicts with other libraries.