| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | namespace PimpayBundle\Service; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * Class SoapClientService | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * @package PimpayBundle\Service | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 8 |  |  |  */ | 
            
                                                                        
                            
            
                                    
            
            
                | 9 |  |  | class SoapClientService extends \SoapClient | 
            
                                                                        
                            
            
                                    
            
            
                | 10 |  |  | { | 
            
                                                                        
                            
            
                                    
            
            
                | 11 |  |  |     /** | 
            
                                                                        
                            
            
                                    
            
            
                | 12 |  |  |      * @var ApiService | 
            
                                                                        
                            
            
                                    
            
            
                | 13 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 14 |  |  |     protected $apiService; | 
            
                                                                        
                            
            
                                    
            
            
                | 15 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 16 |  |  |     /** | 
            
                                                                        
                            
            
                                    
            
            
                | 17 |  |  |      * @var resource | 
            
                                                                        
                            
            
                                    
            
            
                | 18 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 19 |  |  |     protected $context; | 
            
                                                                        
                            
            
                                    
            
            
                | 20 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 21 |  |  |     /** | 
            
                                                                        
                            
            
                                    
            
            
                | 22 |  |  |      * SoapClient constructor. | 
            
                                                                        
                            
            
                                    
            
            
                | 23 |  |  |      * @param ApiService $apiService | 
            
                                                                        
                            
            
                                    
            
            
                | 24 |  |  |      * @param mixed      $wsdl | 
            
                                                                        
                            
            
                                    
            
            
                | 25 |  |  |      * @param array|null $options | 
            
                                                                        
                            
            
                                    
            
            
                | 26 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |     public function __construct(ApiService $apiService, string $wsdl, array $options = null) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |         $this->apiService = $apiService; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |         $this->context = stream_context_create(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |         $options = array_merge($options, ['stream_context' => $this->context]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |         parent::__construct($wsdl, $options); | 
                            
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                | 34 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |         $clientHeader = new \SoapHeader('urn:PlatformApiWsdl', 'client', 'phpSdk @ 2017-06-27 12:35:57', false); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |         $versionHeader = new \SoapHeader('urn:PlatformApiWsdl', 'version', 'v2_6', false); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |         $signatureHeader = new \SoapHeader('urn:PlatformApiWsdl', 'signature', null, false); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |         $this->__setSoapHeaders([$clientHeader, $versionHeader, $signatureHeader]); | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 40 |  |  |     } | 
            
                                                                        
                            
            
                                    
            
            
                | 41 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 42 |  |  |     /** | 
            
                                                                        
                            
            
                                    
            
            
                | 43 |  |  |      * @param string $request | 
            
                                                                        
                            
            
                                    
            
            
                | 44 |  |  |      * @param string $location | 
            
                                                                        
                            
            
                                    
            
            
                | 45 |  |  |      * @param string $action | 
            
                                                                        
                            
            
                                    
            
            
                | 46 |  |  |      * @param int    $version | 
            
                                                                        
                            
            
                                    
            
            
                | 47 |  |  |      * @param int    $oneWay | 
            
                                                                        
                            
            
                                    
            
            
                | 48 |  |  |      * @return string | 
            
                                                                        
                            
            
                                    
            
            
                | 49 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |     public function __doRequest($request, $location, $action, $version, $oneWay = 0) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |         $request = $this->apiService->getCryptoHandler()->injectSignature($this, $request); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |         return parent::__doRequest($request, $location, $action, $version, $oneWay); | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 55 |  |  |     } | 
            
                                                                        
                            
            
                                    
            
            
                | 56 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 57 |  |  |     /** | 
            
                                                                        
                            
            
                                    
            
            
                | 58 |  |  |      * @return resource | 
            
                                                                        
                            
            
                                    
            
            
                | 59 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |     public function getStreamContext() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |         return $this->context; | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 63 |  |  |     } | 
            
                                                        
            
                                    
            
            
                | 64 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 65 |  |  |  | 
            
                        
Let’s take a look at an example:
In the above example, the authenticate() method works fine as long as you just pass instances of MyUser. However, if you now also want to pass a different sub-classes of User which does not have a getDisplayName() method, the code will break.
Available Fixes
Change the type-hint for the parameter:
Add an additional type-check:
Add the method to the parent class: