*/ namespace Whoops\Handler; use SimpleXMLElement; use Whoops\Exception\Formatter; /** * Catches an exception and converts it to an XML * response. Additionally can also return exception * frames for consumption by an API. */ class XmlResponseHandler extends Handler { /** * @var bool */ private $returnFrames = false; /** * @param bool|null $returnFrames * @return bool|$this */ public function addTraceToOutput($returnFrames = null) { if (func_num_args() == 0) { return $this->returnFrames; } $this->returnFrames = (bool) $returnFrames; return $this; } /** * @return int */ public function handle() { $response = [ 'error' => Formatter::formatExceptionAsDataArray( $this->getInspector(), $this->addTraceToOutput() ), ]; echo $this->toXml($response); return Handler::QUIT; } /** * @return string */ public function contentType() { return 'application/xml'; } /** * @param SimpleXMLElement $node Node to append data to, will be modified in place * @param array|Traversable $data * @return SimpleXMLElement The modified node, for chaining */ private static function addDataToNode(\SimpleXMLElement $node, $data) { assert('is_array($data) || $node instanceof Traversable'); foreach ($data as $key => $value) { if (is_numeric($key)) { // Convert the key to a valid string $key = "unknownNode_". (string) $key; } // Delete any char not allowed in XML element names $key = preg_replace('/[^a-z0-9\-\_\.\:]/i', '', $key); if (is_array($value)) { $child = $node->addChild($key); self::addDataToNode($child, $value); } else { $value = str_replace('&', '&', print_r($value, true)); $node->addChild($key, $value); } } return $node; } /** * The main function for converting to an XML document. * * @param array|Traversable $data * @return string XML */ private static function toXml($data) { assert('is_array($data) || $node instanceof Traversable'); $node = simplexml_load_string(""); return self::addDataToNode($node, $data)->asXML(); } }