'."\n".'';
} else {
$xml = '';
$xml = self::_convertArrayToXml($xml, $values);
return ''."\n".''.$xml.'';
}
}
/**
*
* @param string $xml
* @param array $array
* @return string
*/
static protected function _convertArrayToXml($xml, array $array)
{
foreach($array AS $k => $v) {
if(is_array($v)) {
if(count($v)) {
$xml .= '<'.$k.' type="array">';
$xml = self::_convertArrayToXml($xml, $v);
$xml .= '';
} else {
$xml .= '<'.$k.' type="array" />';
}
} elseif(is_string($v) || is_numeric($v)) {
if(is_numeric($k)) {
$k = "array_numeric_elem".$k;
}
$xml .= '<'.$k.' type="'.gettype($v).'">';
} else {
throw new Zend_Entity_StateTransformer_Exception(
"Can only serialize an array of primative integer, float and string datataypes."
);
}
}
return $xml;
}
/**
*
* @param string $xml
* @return array
*/
static public function fromXml($xml)
{
if(!is_string($xml) || strpos($xml, 'children()) > 0) {
$a = array();
foreach($xml AS $xmlKey => $xmlElement) {
$xmlKey = (string)$xmlKey;
if(strpos($xmlKey, "array_numeric_elem") === 0) {
$xmlKey = (int)substr($xmlKey, 18);
}
$a[$xmlKey] = self::_evaluateElement($xmlElement);
}
} else {
$a = self::_evaluateElement($xml);
}
return $a;
}
static protected function _evaluateElement(SimpleXmlElement $xmlElement)
{
if(count($xmlElement->attributes()) == 1 && isset($xmlElement['type'])) {
$type = (string)$xmlElement['type'];
switch($type) {
case 'array':
if(count($xmlElement->children()) > 0) {
$item = self::_convertXmlToArray($xmlElement);
} else {
$item = array();
}
break;
case 'string':
$item = (string)$xmlElement;
break;
case 'integer':
$item = intval((string)$xmlElement);
break;
case 'float':
case 'double':
$item = floatval((string)$xmlElement);
break;
default:
throw new Zend_Entity_StateTransformer_Exception(
"Can only deserialize unknown attribute type back to an array."
);
}
} else {
throw new Zend_Entity_StateTransformer_Exception(
"Can only deserialize primative attributes back to an array."
);
}
return $item;
}
}