100 lines
1.8 KiB
PHP
100 lines
1.8 KiB
PHP
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<?php
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/**
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* Sleepy - a REST framework
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*
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*
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* A PHP Rest Framework valuing convention over configuration,
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* but aiming to be as flexible as possible
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*
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* @author Timothy J. Warren
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*/
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namespace Sleepy\Type;
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use \Sleepy\Core\Abstracts\Type as aType;
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/**
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* Implementation of XML data type
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*/
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class XML extends aType {
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/**
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* The mime type for output
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*
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* @var string
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*/
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protected $mime = 'application/xml';
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/**
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* Convert php array/object to xml
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*
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* @param array|object $data
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* @return string
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*/
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public function serialize($data = NULL)
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{
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$this->set_data($data);
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$xmlObject = new \SimpleXMLElement('<?xml version="1.0"?><root></root>');
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$this->array_to_xml($data, $xmlObject);
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return $xmlObject->asXML();
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}
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/**
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* Convert xml to php data
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*
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* @param string $string
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* @return object
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*/
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public function unserialize($string)
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{
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$xml = \simplexml_load_string($string);
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$json = json_encode($xml);
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$object = json_decode($json);
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return $object;
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}
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/**
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* Recursively generate xml from an array or object
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*
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* @param array|object $array
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* @param \SimpleXMLElement $xmlObject
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*/
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private function array_to_xml($array, \SimpleXMLElement &$xmlObject)
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{
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foreach($array as $key => $val)
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{
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$key = $this->fix_xml_key($key);
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if ( ! is_scalar($val))
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{
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$subnode = $xmlObject->addChild($key);
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$this->array_to_xml($val, $subnode);
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}
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else
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{
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$xmlObject->addChild($key, \htmlspecialchars($val, ENT_XML1, 'UTF-8'));
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}
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}
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}
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/**
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* Make an invalid xml key more valid
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*
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* @param string $key
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* @return string
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*/
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private function fix_xml_key($key)
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{
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if (is_numeric($key))
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{
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$key = "item_{$key}";
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}
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return preg_replace('`[^a-zA-Z0-9_:]`', '_', $key);
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}
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}
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// End of Type/XML.php
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