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run code in 200+ php & hhvm versions
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<?php $xml = '<?xml version="1.0" encoding="utf-8" ?> <soap-env> <person name="Max Musterman"> <car marke="BMW" kennung="i8"/> <phone name="iPhone">9</phone> <birth-place>Hamburg</birth-place> <address> <street>Hauptstraße 1</street> <plz>245698</plz> </address> </person> <person name="Dr. Dolittle"> <car marke="Audi" kennung="A3"/> <phone name="Sony">Xperia Z3</phone> <birth-place>München</birth-place> <address> <street>Partkstraße</street> <plz>365494</plz> </address> </person> </soap-env>'; $doc = new DomDocument('1.0', 'utf-8'); $doc->loadXml($xml); final class Hydrator { private $callbacks = []; public function __construct(array $callbacks = []) { $this->setCallbacks($callbacks); } public function setCallback(string $nodeName, callable $callback): void { $this->callbacks[$nodeName] = $callback; } public function setCallbacks(array $callbacks): void { foreach ($callbacks as $nodeName => $callback) { $this->setCallback($nodeName, $callback); } } public function hydrate(DOMNode $node) { $this->apply($node); if ($node->hasChildren()) { $this->traverseChildren($node); } } private function traverseChildren(DOMNode $node) { foreach ($node->childNodes as $child) { $this->hydrate($child); } } private function apply(DomNode $node) { if (array_key_exists($node->nodeName, $this->callbacks)) { print $callback($node, $this); } else { print $node->nodeName . PHP_EOL; } } } $hydrator = new Hydrator(); $hydrator->hydrate($doc->documentElement);
Output for 7.1.0 - 7.3.0rc6
soap-env Fatal error: Uncaught Error: Call to undefined method DOMElement::hasChildren() in /in/JF24U:53 Stack trace: #0 /in/JF24U(76): Hydrator->hydrate(Object(DOMElement)) #1 {main} thrown in /in/JF24U on line 53
Process exited with code 255.
Output for 7.0.0 - 7.0.31
Fatal error: Uncaught TypeError: Return value of Hydrator::setCallbacks() must be an instance of void, none returned in /in/JF24U:47 Stack trace: #0 /in/JF24U(34): Hydrator->setCallbacks(Array) #1 /in/JF24U(75): Hydrator->__construct() #2 {main} thrown in /in/JF24U on line 47
Process exited with code 255.
Output for hhvm-3.22.0
soap-env Fatal error: Uncaught Error: Call to undefined method DOMElement::hasChildren() in /in/JF24U:-1 Stack trace: #0 /in/JF24U(-1): Hydrator->hydrate() #1 {main}
Process exited with code 255.
Output for hhvm-3.21.0 - 3.21.3
soap-env Fatal error: Uncaught Error: Call to undefined method DOMElement::hasChildren() in /in/JF24U:53 Stack trace: #0 /in/JF24U(76): Hydrator->hydrate() #1 {main}
Process exited with code 255.
Output for hhvm-3.15.4 - 3.20.2
Fatal error: Uncaught TypeError: Value returned from method Hydrator::setCallbacks() must be of type void, null given in /in/JF24U:47 Stack trace: #0 /in/JF24U(34): Hydrator->setCallbacks() #1 /in/JF24U(75): Hydrator->__construct() #2 {main}
Process exited with code 255.
Output for 5.6.30
Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/JF24U on line 37
Process exited with code 255.