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<?php |
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namespace PHP2WSDL; |
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use DOMElement; |
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use InvalidArgumentException; |
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use Wingu\OctopusCore\Reflection\ReflectionClass; |
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use Wingu\OctopusCore\Reflection\ReflectionMethod; |
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/** |
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* Generate a WSDL from a PHP class. |
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*/ |
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class PHPClass2WSDL |
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{ |
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/** |
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* The class to transform. |
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* |
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* @var string |
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*/ |
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protected $class; |
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/** |
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* The URL of the web service. |
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* |
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* @var string |
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*/ |
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protected $uri; |
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/** |
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* The URI to the stylesheet file. |
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* |
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* @var string |
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*/ |
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protected $xslUri; |
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/** |
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* The WSDL document. |
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* |
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* @var \PHP2WSDL\WSDL |
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*/ |
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protected $wsdl; |
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/** |
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* The soap:operation style. |
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* |
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* @var array |
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*/ |
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protected $bindingStyle = array( |
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'style' => 'rpc', |
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'transport' => 'http://schemas.xmlsoap.org/soap/http' |
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); |
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/** |
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* The soap:body operation style options. |
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* |
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* @var array |
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*/ |
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protected $operationBodyStyle = array( |
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'use' => 'encoded', |
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'encodingStyle' => 'http://schemas.xmlsoap.org/soap/encoding/' |
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); |
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/** |
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* Constructor. |
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* |
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* @param mixed $class The class name from which to generate the WSDL. |
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* @param string $uri The web service URL. |
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* @throws InvalidArgumentException If the class is not valid or not an object. |
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*/ |
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public function __construct($class, $uri) |
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{ |
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if (is_string($class) && class_exists($class)) { |
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$this->class = $class; |
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} elseif (is_object($class)) { |
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$this->class = get_class($class); |
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} else { |
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throw new InvalidArgumentException('Invalid class name or object to generate the WSDL for.'); |
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} |
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$this->uri = $uri; |
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} |
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/** |
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* Set the stylesheet for the WSDL. |
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* |
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* @param string $xslUri The URI to the stylesheet. |
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* @return PHPClass2WSDL |
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*/ |
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public function setStylesheet($xslUri) |
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{ |
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$this->xslUri = $xslUri; |
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return $this; |
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} |
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/** |
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* Set the binding style. |
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* |
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* @param string $style The style (rpc or document). |
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* @param string $transport The transport. |
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* @return PHPClass2WSDL |
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*/ |
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public function setBindingStyle($style, $transport) |
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{ |
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$this->bindingStyle['style'] = $style; |
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$this->bindingStyle['transport'] = $transport; |
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return $this; |
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} |
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/** |
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* Generate the WSDL DOMDocument. |
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* |
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* @param boolean $withAnnotation Flag if only the methods with '@soap' annotation should be added. |
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*/ |
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public function generateWSDL($withAnnotation = false) |
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{ |
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$qNameClassName = WSDL::typeToQName($this->class); |
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$this->wsdl = new WSDL($qNameClassName, $this->uri, $this->xslUri); |
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$port = $this->wsdl->addPortType($qNameClassName . 'Port'); |
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$binding = $this->wsdl->addBinding($qNameClassName . 'Binding', 'tns:' . $qNameClassName . 'Port'); |
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$this->wsdl->addSoapBinding($binding, $this->bindingStyle['style'], $this->bindingStyle['transport']); |
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$this->wsdl->addService( |
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$qNameClassName . 'Service', $qNameClassName . 'Port', |
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'tns:' . $qNameClassName . 'Binding', |
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$this->uri |
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); |
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$ref = new ReflectionClass($this->class); |
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foreach ($ref->getMethods() as $method) { |
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if ($withAnnotation === false || $method->getReflectionDocComment()->getAnnotationsCollection()->hasAnnotationTag('soap')) { |
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$this->addMethodToWsdl($method, $port, $binding); |
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} |
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} |
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} |
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/** |
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* Add a method to the WSDL. |
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* |
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* @param ReflectionMethod $method The reflection of the method to add. |
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* @param DOMElement $port The portType element. |
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* @param DOMElement $binding The binding element. |
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*/ |
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protected function addMethodToWsdl(ReflectionMethod $method, DOMElement $port, DOMElement $binding) |
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{ |
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$qNameMethodName = WSDL::typeToQName($method->getName()); |
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$args = array(); |
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$annotations = array(); |
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$methodAnnotationsCollection = $method->getReflectionDocComment()->getAnnotationsCollection(); |
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if ($methodAnnotationsCollection->hasAnnotationTag('param')) { |
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/** @var \Wingu\OctopusCore\Reflection\Annotation\Tags\ParamTag $param */ |
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foreach ($methodAnnotationsCollection->getAnnotation('param') as $param) { |
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$annotations[$param->getParamName()] = $param; |
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} |
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} |
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if ($this->bindingStyle['style'] === 'document') { |
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$sequence = array(); |
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/** @var \Wingu\OctopusCore\Reflection\ReflectionParameter $param */ |
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foreach ($method->getParameters() as $param) { |
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$type = 'anytype'; |
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if (isset($annotations['$' . $param->getName()])) { |
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$type = $annotations['$' . $param->getName()]->getParamType(); |
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} |
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$sequenceElement = array('name' => $param->getName(), 'type' => $this->wsdl->getXSDType($type)); |
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if ($param->isOptional()) { |
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$sequenceElement['nillable'] = 'true'; |
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} |
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$sequence[] = $sequenceElement; |
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} |
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$element = array('name' => $qNameMethodName, 'sequence' => $sequence); |
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$args['parameters'] = array('element' => $this->wsdl->addElement($element)); |
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} else { |
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/** @var \Wingu\OctopusCore\Reflection\ReflectionParameter $param */ |
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foreach ($method->getParameters() as $param) { |
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$type = 'anytype'; |
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if (isset($annotations['$' . $param->getName()])) { |
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$type = $annotations['$' . $param->getName()]->getParamType(); |
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} |
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$args[$param->getName()] = array('type' => $this->wsdl->getXSDType($type)); |
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} |
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} |
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$this->wsdl->addMessage($qNameMethodName . 'In', $args); |
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$returnType = null; |
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if ($methodAnnotationsCollection->hasAnnotationTag('return') === true) { |
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$annotation = $methodAnnotationsCollection->getAnnotation('return'); |
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$annotation = reset($annotation); |
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$returnType = $annotation->getReturnType(); |
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} |
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$isOneWayMessage = ($returnType === null); |
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if ($isOneWayMessage === false) { |
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$args = array(); |
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if ($this->bindingStyle['style'] === 'document') { |
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$sequence = array(); |
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if ($returnType !== null) { |
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$sequence[] = array( |
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'name' => $qNameMethodName . 'Result', |
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'type' => $this->wsdl->getXSDType($returnType) |
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); |
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} |
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$element = array('name' => $qNameMethodName . 'Response', 'sequence' => $sequence); |
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$args['parameters'] = array('element' => $this->wsdl->addElement($element)); |
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} elseif ($returnType !== null) { |
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$args['return'] = array('type' => $this->wsdl->getXSDType($returnType)); |
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} |
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$this->wsdl->addMessage($qNameMethodName . 'Out', $args); |
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} |
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// Add the portType operation. |
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if ($isOneWayMessage === false) { |
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$portOperation = $this->wsdl->addPortOperation( |
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$port, |
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$qNameMethodName, |
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'tns:' . $qNameMethodName . 'In', |
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'tns:' . $qNameMethodName . 'Out' |
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); |
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} else { |
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$portOperation = $this->wsdl->addPortOperation($port, $qNameMethodName, 'tns:' . $qNameMethodName . 'In'); |
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} |
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// Add any documentation for the operation. |
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$description = $method->getReflectionDocComment()->getFullDescription(); |
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if (strlen($description) > 0) { |
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$this->wsdl->addDocumentation($portOperation, $description); |
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} |
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// When using the RPC style, make sure the operation style includes a 'namespace' attribute (WS-I Basic Profile 1.1 R2717). |
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if ($this->bindingStyle['style'] === 'rpc' && isset($this->operationBodyStyle['namespace']) === false) { |
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$this->operationBodyStyle['namespace'] = '' . htmlspecialchars($this->uri); |
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} |
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// Add the binding operation. |
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$operation = $this->wsdl->addBindingOperation( |
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$binding, |
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$qNameMethodName, |
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$this->operationBodyStyle, |
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$this->operationBodyStyle |
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); |
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$this->wsdl->addSoapOperation($operation, $this->uri . '#' . $qNameMethodName); |
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} |
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/** |
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* Dump the WSDL as XML string. |
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* |
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* @return string |
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*/ |
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public function dump() |
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{ |
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return $this->wsdl->dump(); |
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} |
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} |
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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: