| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  * Class XmlResponse | XmlResponse.php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * @package Faulancer\Http | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * @author  Florian Knapp <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | namespace Faulancer\Http; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  * Class XmlResponse | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  | class XmlResponse extends Response | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |     /** @var array  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |     protected $content = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |      * @param array             $data | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |      * @param \SimpleXMLElement $xml | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |      * @codeCoverageIgnore | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 22 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 23 |  |  |     private function convertArrayToXml(\SimpleXMLElement &$xml, $data) | 
            
                                                                        
                            
            
                                    
            
            
                | 24 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 25 |  |  |         foreach ($data as $key=>$value) { | 
            
                                                                        
                            
            
                                    
            
            
                | 26 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 27 |  |  |             if(is_numeric($key)) { | 
            
                                                                        
                            
            
                                    
            
            
                | 28 |  |  |                 $key = 'item' . $key; | 
            
                                                                        
                            
            
                                    
            
            
                | 29 |  |  |             } | 
            
                                                                        
                            
            
                                    
            
            
                | 30 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 31 |  |  |             if(is_array($value['value'])) { | 
            
                                                                        
                            
            
                                    
            
            
                | 32 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 33 |  |  |                 $node = $this->generateNode($xml, $key, $value); | 
            
                                                                        
                            
            
                                    
            
            
                | 34 |  |  |                 $this->convertArrayToXml($node, $value['value']); | 
                            
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                | 35 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 36 |  |  |             } else { | 
            
                                                                        
                            
            
                                    
            
            
                | 37 |  |  |                 $this->generateNode($xml, $key, $value); | 
            
                                                                        
                            
            
                                    
            
            
                | 38 |  |  |             } | 
            
                                                                        
                            
            
                                    
            
            
                | 39 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 40 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 41 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |      * @param \SimpleXMLElement $xml | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |      * @param string            $key | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |      * @param null|array        $value | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |      * @return null|\SimpleXMLElement | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |      * @codeCoverageIgnore | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |     private function generateNode(\SimpleXMLElement &$xml, $key, $value = null) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |         $node = null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |         if (is_array($value) && in_array('@attributes', array_keys($value))) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |             $attributes = $value['@attributes']; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |             if (!is_array($value['value'])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |                 $node = $xml->addChild($key, htmlspecialchars($value['value'])); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |             } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |                 $node = $xml->addChild($key); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |             foreach ($attributes as $attr => $val) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |                 $node->addAttribute($attr, $val); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |         return $node; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |      * @param array $content | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |      * @return self | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |      * @codeCoverageIgnore | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |     public function setContent($content = []) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |         $this->setResponseHeader(['Content-Base' => 'text/xml']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |         $xml = new \SimpleXMLElement('<?xml version="1.0"?><root></root>'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |         $this->convertArrayToXml($xml, $content); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |         $result = $xml->asXml(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |         $this->content = $result; | 
                            
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                | 87 |  |  |         return $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 89 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 90 |  |  | } | 
            
                        
Unless you are absolutely sure that the expression can never be null because of other conditions, we strongly recommend to add an additional type check to your code: