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<?php |
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namespace Magium\Configuration\Config; |
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use Interop\Container\ContainerInterface; |
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use Magium\Configuration\Config\Storage\StorageInterface as ConfigurationStorageInterface; |
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use Magium\Configuration\File\AdapterInterface; |
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use Magium\Configuration\File\Configuration\ConfigurationFileRepository; |
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use Magium\Configuration\File\Configuration\UnsupportedFileTypeException; |
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use Magium\Configuration\File\InvalidFileException; |
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use Magium\Configuration\InvalidConfigurationException; |
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use Zend\Cache\Storage\StorageInterface; |
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class Builder implements BuilderInterface |
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{ |
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protected $repository; |
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protected $cache; |
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protected $container; |
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protected $hashAlgo; |
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protected $storage; |
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public function __construct( |
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StorageInterface $cache, |
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ConfigurationStorageInterface $storage, |
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ConfigurationFileRepository $repository, |
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ContainerInterface $container = null, |
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$hashAlgo = 'sha1' |
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) |
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{ |
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$this->cache = $cache; |
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$this->storage = $storage; |
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$this->hashAlgo = $hashAlgo; |
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$this->repository = $repository; |
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$this->container = $container; |
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} |
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public function getConfigurationRepository() |
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{ |
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return $this->repository; |
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} |
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public function getContainer() |
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{ |
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if (!$this->container instanceof ContainerInterface) { |
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throw new MissingContainerException( |
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'You are using functionality that requires either a DI Container or Service Locator. ' |
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. 'The container, or container adapter, must implement Interop\Container\ContainerInterface' |
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); |
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} |
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return $this->container; |
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} |
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/** |
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* Retrieves a list of files that have been registered |
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* |
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* @return ConfigurationFileRepository |
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*/ |
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public function getRegisteredConfigurationFiles() |
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{ |
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return $this->repository; |
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} |
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/** |
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* @param Config|null $config |
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* @return Config |
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* @throws InvalidConfigurationLocationException |
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* @throws InvalidFileException |
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* @throws |
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*/ |
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public function build($context = Config::CONTEXT_DEFAULT, ConfigInterface $config = null) |
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{ |
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$files = $this->getRegisteredConfigurationFiles(); |
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if (!count($files)) { |
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throw new MissingConfigurationException('No configuration files have been provided. Please add via registerConfigurationFile()'); |
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} |
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if (!$config instanceof Config) { |
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$config = new Config('<config />'); |
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} |
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$structure = null; |
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foreach ($files as $file) { |
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if (!$file instanceof AdapterInterface) { |
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throw new InvalidFileException('Configuration file object must implement ' . AdapterInterface::class); |
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} |
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$simpleXml = $file->toXml(); |
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if (!$structure instanceof \SimpleXMLElement) { |
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$structure = $simpleXml; |
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} else { |
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$this->mergeStructure($structure, $simpleXml); |
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} |
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} |
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if (!$structure instanceof \SimpleXMLElement) { |
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throw new InvalidConfigurationException('No configuration files provided'); |
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} |
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$this->buildConfigurationObject($structure, $config, $context); |
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return $config; |
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} |
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/** |
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* @param \SimpleXMLElement $structure The object representing the merged configuration structure |
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* @param \SimpleXmlElement $config An empty config object to be populated |
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* @return Config The resulting configuration object |
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*/ |
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public function buildConfigurationObject( |
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\SimpleXMLElement $structure, |
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ConfigInterface $config, |
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$context = Config::CONTEXT_DEFAULT |
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) |
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{ |
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$structure->registerXPathNamespace('s', 'http://www.magiumlib.com/Configuration'); |
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$elements = $structure->xpath('/*/s:section/s:group/s:element'); |
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foreach ($elements as $element) { |
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if ($element instanceof \SimpleXMLElement) { |
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$elementId = $element['id']; |
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$group = $element->xpath('..')[0]; |
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$groupId = $group['id']; |
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$section = $group->xpath('..')[0]; |
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$sectionId = $section['id']; |
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$configPath = sprintf('%s/%s/%s', $sectionId, $groupId, $elementId); |
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$value = $this->storage->getValue($configPath, $context); |
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if ($value) { |
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if (isset($element['callbackFromStorage'])) { |
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$callbackString = (string)$element['callbackFromStorage']; |
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$callback = explode('::', $callbackString); |
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if (count($callback) == 2) { |
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$callback[0] = $this->getContainer()->get($element['callbackFromStorage']); |
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} else { |
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$callback = array_shift($callback); |
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} |
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if (!is_callable($callback)) { |
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throw new UncallableCallbackException('Unable to execute callback: ' . $callbackString); |
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} |
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$value = call_user_func($callback, $value); |
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} |
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} else { |
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$xpath = sprintf('/*/s:section[@id="%s"]/s:group[@id="%s"]/s:element[@id="%s"]/s:value', |
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$sectionId, |
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$groupId, |
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$elementId |
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); |
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$result = $structure->xpath($xpath); |
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if (!empty($result)) { |
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$value = trim((string)$result[0]); |
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} |
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} |
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if ($value) { |
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$config->$sectionId->$groupId->$elementId = $value; |
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} |
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} |
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} |
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} |
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View Code Duplication |
public function mergeStructure(\SimpleXMLElement $base, \SimpleXMLElement $new) |
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{ |
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$base->registerXPathNamespace('s', 'http://www.magiumlib.com/Configuration'); |
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foreach ($new as $item) { |
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if ($item instanceof \SimpleXMLElement) { |
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$xpath = sprintf('/*/s:section[@id="%s"]', $item['id']); |
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$sectionExists = $base->xpath($xpath); |
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if (!empty($sectionExists) && $sectionExists[0] instanceof \SimpleXMLElement) { |
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$section = $sectionExists[0]; |
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} else { |
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$section = $base->addChild('section'); |
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} |
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foreach ($item->attributes() as $name => $value) { |
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$section[$name] = $value; |
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} |
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if ($item->group) { |
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$this->mergeGroup($section, $item->group); |
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} |
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} |
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} |
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} |
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View Code Duplication |
protected function mergeGroup(\SimpleXMLElement $section, \SimpleXMLElement $newGroups) |
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{ |
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$section->registerXPathNamespace('s', 'http://www.magiumlib.com/Configuration'); |
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foreach ($newGroups as $newGroup) { |
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if ($newGroup instanceof \SimpleXMLElement) { |
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$xpath = sprintf('./s:group[@id="%s"]', $newGroup['id']); |
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$groupExists = $section->xpath($xpath); |
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if (!empty($groupExists) && $groupExists[0] instanceof \SimpleXMLElement) { |
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$group = $groupExists[0]; |
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} else { |
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$group = $section->addChild('group'); |
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} |
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foreach ($newGroup->attributes() as $name => $value) { |
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$group[$name] = $value; |
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} |
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$this->mergeElements($group, $newGroup->element); |
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} |
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} |
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} |
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protected function mergeElements(\SimpleXMLElement $group, \SimpleXMLElement $newElements) |
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{ |
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$group->registerXPathNamespace('s', 'http://www.magiumlib.com/Configuration'); |
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foreach ($newElements as $newElement) { |
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if ($newElement instanceof \SimpleXMLElement) { |
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$xpath = sprintf('./s:element[@id="%s"]', $newElement['id']); |
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$elementExists = $group->xpath($xpath); |
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if (!empty($elementExists) && $elementExists[0] instanceof \SimpleXMLElement) { |
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$element = $elementExists[0]; |
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} else { |
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$element = $group->addChild('element'); |
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} |
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foreach ($newElement->attributes() as $name => $value) { |
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$element[$name] = $value; |
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} |
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foreach ($newElement->children() as $key => $item) { |
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$element->$key = $item; |
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} |
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} |
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} |
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3 |
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} |
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} |
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magium /
configuration-manager
