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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace NFePHP\Atende;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use DOMDocument;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use DOMElement;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use stdClass;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class Response  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Convert Atende xml response to stdClass  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $xml  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return stdClass  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public static function toStd($xml)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return json_decode(self::select($xml));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Convert Atende xml response to array  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $xml  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return array  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    public static function toArray($xml)  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    { | 
            
            
                                                                        
                            
            
                                    
            
            
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                        return json_decode(self::select($xml), true);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Convert Atende xml response to json string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $xml  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public static function toJson($xml)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return self::select($xml);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Identify and convert xml  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $xml  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected static function select($xml)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $infolist = [  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'infoServidor',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'infoDependente',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'infoContribuicao',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'infoContribuicaoAnalitica',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'infoContribuicao',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'infoTempoContribuicao'  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        ];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $dom = new \DOMDocument('1.0', 'UTF-8'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $dom->formatOutput = false;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $dom->loadXML($xml);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        foreach ($infolist as $item) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $node = null;  | 
            
                            
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                            $node = $dom->getElementsByTagName($item)->item(0);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            if (!empty($node)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                return self::render($node);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Renderize DOMElement do json string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param DOMElement $node  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected static function render(DOMElement $node)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $newdoc = new DOMDocument('1.0', 'utf-8'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $newdoc->appendChild($newdoc->importNode($node, true));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $xml = $newdoc->saveXML();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $newdoc = null;  | 
            
                            
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                        $xml = str_replace('<?xml version="1.0" encoding="UTF-8"?>', '', $xml); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $xml = str_replace('<?xml version="1.0" encoding="utf-8"?>', '', $xml); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $resp = simplexml_load_string($xml, null, LIBXML_NOCDATA);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $json = json_encode($resp, JSON_PRETTY_PRINT);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $json = str_replace('@attributes', 'attributes', $json); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $std = json_decode($json);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return str_replace('{}', '""', json_encode($std, JSON_PRETTY_PRINT)); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVarassignment in line 1 and the$higherassignment in line 2 are dead. The first because$myVaris never used and the second because$higheris always overwritten for every possible time line.