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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace Basis\Controller;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Basis\Application;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Basis\Context;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Basis\Event;  | 
            
                            
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                use Basis\Service;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Basis\Toolkit;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Exception;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OpenTelemetry\Tracing\Tracer;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OpenTelemetry\Transport;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OpenTelemetry\Exporter;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                class Api  | 
            
            
                                                                        
                            
            
                                    
            
            
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                { | 
            
            
                                                                        
                            
            
                                    
            
            
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                    use Toolkit;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    public function __process()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this->index();  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    public function index()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (!array_key_exists('rpc', $_REQUEST)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return [  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'success' => false,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'message' => 'No rpc defined',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $data = json_decode($_REQUEST['rpc']);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (!$data) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return [  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'success' => false,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'message' => 'Invalid rpc format',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $tracer = $this->get(Tracer::class);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ($data->context) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $this->get(Context::class)->apply($data->context);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $request = is_array($data) ? $data : [$data];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $response = [];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        foreach ($request as $rpc) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $result = $this->process($rpc);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            if (is_null($result)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                $result = [];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            if (property_exists($rpc, 'tid')) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                $result['tid'] = $rpc->tid;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $response[] = $result;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        try { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            if ($this->get(Event::class)->hasChanges()) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                $active = $tracer->getActiveSpan();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                foreach ($tracer->getSpans() as $candidate) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    if ($candidate->getParentSpanContext() == $active->getSpanContext()) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                        $last = $candidate;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                        break;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                if ($last) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    $last->setInterval($last->getStart(), 0);  | 
            
                            
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                                    $tracer->setActive($last);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                $changesSpan = $tracer->createSpan('event.changes'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                $this->get(Event::class)->fireChanges($request[0]->job);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                $changesSpan->end();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                if ($last) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    $last->end();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        } catch (Exception $e) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return ['success' => false, 'message' => 'Fire changes failure: '.$e->getMessage()];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        try { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $response[0]['timing'] = microtime(true) - $tracer->getActiveSpan()->getStart();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            if ($this->get(Service::class)->getName() != 'audit') { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                if ($response[0]['timing'] >= 0.05) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    $this->get(Exporter::class)->flush($tracer, $this->get(Transport::class));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        } catch (Exception $e) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            // no traces is not a problem  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return is_array($data) ? $response : $response[0];  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    private function process($rpc)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (!property_exists($rpc, 'job')) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return [  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'success' => false,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'message' => 'Invalid rpc format: no job',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    108
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                    109
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                        if (!property_exists($rpc, 'params')) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    110
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                            return [  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    111
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                                'success' => false,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'message' => 'Invalid rpc format: no params',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    113
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                            ];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    114
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        try { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    117
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                            $params = is_object($rpc->params) ? get_object_vars($rpc->params) : [];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $data = $this->dispatch(strtolower($rpc->job), $params);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    119
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                            $data = $this->removeSystemObjects($data);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    120
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                    121
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                            return [  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    122
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                                'success' => true,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'data' => $data,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    125
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                        } catch (Exception $e) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $error = [  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                'success' => false,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    128
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                                'message' => $e->getMessage(),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    129
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                                'service' => $this->get(Service::class)->getName(),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    130
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                                'trace' => explode(PHP_EOL, $e->getTraceAsString()),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    131
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                            ];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    132
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                            if (property_exists($e, 'remoteTrace')) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    133
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                                $error['remoteTrace'] = $e->remoteTrace;  | 
            
                            
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                | 
                    134
                 | 
                                    
                                                     | 
                
                 | 
                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    135
                 | 
                                    
                                                     | 
                
                 | 
                            return $error;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    136
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    137
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    138
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    139
                 | 
                                    
                                                     | 
                
                 | 
                    private function removeSystemObjects($data)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    140
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    141
                 | 
                                    
                                                     | 
                
                 | 
                        if (!$data) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    142
                 | 
                                    
                                                     | 
                
                 | 
                            return [];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    143
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    144
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    145
                 | 
                                    
                                                     | 
                
                 | 
                        if (is_object($data)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    146
                 | 
                                    
                                                     | 
                
                 | 
                            $data = get_object_vars($data);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    147
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    148
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    149
                 | 
                                    
                                                     | 
                
                 | 
                        foreach ($data as $k => $v) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    150
                 | 
                                    
                                                     | 
                
                 | 
                            if (is_array($v) || is_object($v)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    151
                 | 
                                    
                                                     | 
                
                 | 
                                if ($v instanceof Application) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    152
                 | 
                                    
                                                     | 
                
                 | 
                                    unset($data[$k]);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    153
                 | 
                                    
                                                     | 
                
                 | 
                                } else { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    154
                 | 
                                    
                                                     | 
                
                 | 
                                    $data[$k] = $this->removeSystemObjects($v);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    155
                 | 
                                    
                                                     | 
                
                 | 
                                }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    156
                 | 
                                    
                                                     | 
                
                 | 
                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    157
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    158
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    159
                 | 
                                    
                                                     | 
                
                 | 
                        return $data;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    160
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                        
            
                                    
            
            
                | 
                    161
                 | 
                                    
                                                     | 
                
                 | 
                }  | 
            
            
                                                        
            
                                    
            
            
                | 
                    162
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                        
Let’s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let’s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.phpHowever, as
OtherDir/Foo.phpdoes not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: