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<?php |
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/** |
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* @link http://www.yiiframework.com/ |
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* @copyright Copyright (c) 2008 Yii Software LLC |
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* @license http://www.yiiframework.com/license/ |
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*/ |
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namespace yii\web; |
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use DOMDocument; |
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use DOMElement; |
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use DOMText; |
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use yii\base\Arrayable; |
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use yii\base\Component; |
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use yii\helpers\StringHelper; |
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/** |
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* XmlResponseFormatter formats the given data into an XML response content. |
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* |
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* It is used by [[Response]] to format response data. |
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* |
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* @author Qiang Xue <[email protected]> |
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* @since 2.0 |
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*/ |
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class XmlResponseFormatter extends Component implements ResponseFormatterInterface |
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{ |
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/** |
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* @var string the Content-Type header for the response |
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*/ |
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public $contentType = 'application/xml'; |
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/** |
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* @var string the XML version |
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*/ |
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public $version = '1.0'; |
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/** |
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* @var string the XML encoding. If not set, it will use the value of [[Response::charset]]. |
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*/ |
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public $encoding; |
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/** |
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* @var string the name of the root element. If set to false, null or is empty then no root tag should be added. |
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*/ |
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public $rootTag = 'response'; |
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/** |
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* @var string the name of the elements that represent the array elements with numeric keys. |
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*/ |
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public $itemTag = 'item'; |
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/** |
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* @var bool whether to interpret objects implementing the [[\Traversable]] interface as arrays. |
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* Defaults to `true`. |
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* @since 2.0.7 |
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*/ |
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public $useTraversableAsArray = true; |
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/** |
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* @var bool if object tags should be added |
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* @since 2.0.11 |
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*/ |
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public $useObjectTags = true; |
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/** |
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* Formats the specified response. |
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* @param Response $response the response to be formatted. |
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*/ |
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public function format($response) |
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{ |
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$charset = $this->encoding === null ? $response->charset : $this->encoding; |
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if (stripos($this->contentType, 'charset') === false) { |
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$this->contentType .= '; charset=' . $charset; |
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} |
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$response->getHeaders()->set('Content-Type', $this->contentType); |
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if ($response->data !== null) { |
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$dom = new DOMDocument($this->version, $charset); |
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if (!empty($this->rootTag)) { |
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$root = new DOMElement($this->rootTag); |
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$dom->appendChild($root); |
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$this->buildXml($root, $response->data); |
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} else { |
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$this->buildXml($dom, $response->data); |
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} |
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$response->content = $dom->saveXML(); |
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} |
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} |
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/** |
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* @param DOMElement $element |
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* @param mixed $data |
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*/ |
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protected function buildXml($element, $data) |
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{ |
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if (is_array($data) || |
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($data instanceof \Traversable && $this->useTraversableAsArray && !$data instanceof Arrayable) |
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) { |
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foreach ($data as $name => $value) { |
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if (is_int($name) && is_object($value)) { |
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$this->buildXml($element, $value); |
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} elseif (is_array($value) || is_object($value)) { |
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$child = new DOMElement(is_int($name) ? $this->itemTag : $name); |
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$element->appendChild($child); |
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$this->buildXml($child, $value); |
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} else { |
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$child = new DOMElement(is_int($name) ? $this->itemTag : $name); |
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$element->appendChild($child); |
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$child->appendChild(new DOMText($this->formatScalarValue($value))); |
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} |
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} |
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} elseif (is_object($data)) { |
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if ($this->useObjectTags) { |
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$child = new DOMElement(StringHelper::basename(get_class($data))); |
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$element->appendChild($child); |
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} else { |
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$child = $element; |
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} |
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if ($data instanceof Arrayable) { |
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$this->buildXml($child, $data->toArray()); |
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} else { |
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$array = []; |
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foreach ($data as $name => $value) { |
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$array[$name] = $value; |
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} |
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$this->buildXml($child, $array); |
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} |
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} else { |
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$element->appendChild(new DOMText($this->formatScalarValue($data))); |
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} |
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} |
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/** |
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* Formats scalar value to use in XML text node |
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2 |
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* |
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* @param int|string|bool $value |
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* @return string |
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* @since 2.0.11 |
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*/ |
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protected function formatScalarValue($value) |
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{ |
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if ($value === true) { |
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return 'true'; |
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} |
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if ($value === false) { |
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return 'false'; |
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} |
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return (string) $value; |
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} |
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} |
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yiisoft /
yii2
It seems like the type of the argument is not accepted by the function/method which you are calling.
In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug.
We suggest to add an explicit type cast like in the following example: