'); $extends = $this->_config->getExtends(); $sectionName = $this->_config->getSectionName(); if (is_string($sectionName)) { $child = $xml->addChild($sectionName); $this->_addBranch($this->_config, $child, $xml); } else { foreach ($this->_config as $sectionName => $data) { if (!($data instanceof Zend_Config)) { $xml->addChild($sectionName, (string) $data); } else { $child = $xml->addChild($sectionName); if (isset($extends[$sectionName])) { $child->addAttribute('zf:extends', $extends[$sectionName], Zend_Config_Xml::XML_NAMESPACE); } $this->_addBranch($data, $child, $xml); } } } $dom = dom_import_simplexml($xml)->ownerDocument; $dom->formatOutput = true; $xmlString = $dom->saveXML(); return $xmlString; } /** * Add a branch to an XML object recursively * * @param Zend_Config $config * @param SimpleXMLElement $xml * @param SimpleXMLElement $parent * @return void */ protected function _addBranch(Zend_Config $config, SimpleXMLElement $xml, SimpleXMLElement $parent) { $branchType = null; foreach ($config as $key => $value) { if ($branchType === null) { if (is_numeric($key)) { $branchType = 'numeric'; $branchName = $xml->getName(); $xml = $parent; unset($parent->{$branchName}); } else { $branchType = 'string'; } } else if ($branchType !== (is_numeric($key) ? 'numeric' : 'string')) { require_once 'Zend/Config/Exception.php'; throw new Zend_Config_Exception('Mixing of string and numeric keys is not allowed'); } if ($branchType === 'numeric') { if ($value instanceof Zend_Config) { $child = $parent->addChild($branchName); $this->_addBranch($value, $child, $parent); } else { $parent->addChild($branchName, (string) $value); } } else { if ($value instanceof Zend_Config) { $child = $xml->addChild($key); $this->_addBranch($value, $child, $xml); } else { $xml->addChild($key, (string) $value); } } } } }