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<?php
/**
* IXR_Value
*
* @package IXR
* @since 1.5.0
*/
class IXR_Value {
var $data;
var $type;
/**
* PHP5 constructor.
*/
function __construct( $data, $type = false )
{
$this->data = $data;
if (!$type) {
$type = $this->calculateType();
}
$this->type = $type;
if ($type == 'struct') {
// Turn all the values in the array in to new IXR_Value objects
foreach ($this->data as $key => $value) {
$this->data[$key] = new IXR_Value($value);
}
}
if ($type == 'array') {
for ($i = 0, $j = count($this->data); $i < $j; $i++) {
$this->data[$i] = new IXR_Value($this->data[$i]);
}
}
}
/**
* PHP4 constructor.
*/
public function IXR_Value( $data, $type = false ) {
self::__construct( $data, $type );
}
function calculateType()
{
if ($this->data === true || $this->data === false) {
return 'boolean';
}
if (is_integer($this->data)) {
return 'int';
}
if (is_double($this->data)) {
return 'double';
}
// Deal with IXR object types base64 and date
if (is_object($this->data) && is_a($this->data, 'IXR_Date')) {
return 'date';
}
if (is_object($this->data) && is_a($this->data, 'IXR_Base64')) {
return 'base64';
}
// If it is a normal PHP object convert it in to a struct
if (is_object($this->data)) {
$this->data = get_object_vars($this->data);
return 'struct';
}
if (!is_array($this->data)) {
return 'string';
}
// We have an array - is it an array or a struct?
if ($this->isStruct($this->data)) {
return 'struct';
} else {
return 'array';
}
}
function getXml()
{
// Return XML for this value
switch ($this->type) {
case 'boolean':
return '<boolean>'.(($this->data) ? '1' : '0').'</boolean>';
break;
case 'int':
return '<int>'.$this->data.'</int>';
break;
case 'double':
return '<double>'.$this->data.'</double>';
break;
case 'string':
return '<string>'.htmlspecialchars($this->data).'</string>';
break;
case 'array':
$return = '<array><data>'."\n";
foreach ($this->data as $item) {
$return .= ' <value>'.$item->getXml()."</value>\n";
}
$return .= '</data></array>';
return $return;
break;
case 'struct':
$return = '<struct>'."\n";
foreach ($this->data as $name => $value) {
$name = htmlspecialchars($name);
$return .= " <member><name>$name</name><value>";
$return .= $value->getXml()."</value></member>\n";
}
$return .= '</struct>';
return $return;
break;
case 'date':
case 'base64':
return $this->data->getXml();
break;
}
return false;
}
/**
* Checks whether or not the supplied array is a struct or not
*
* @param array $array
* @return bool
*/
function isStruct($array)
{
$expected = 0;
foreach ($array as $key => $value) {
if ((string)$key !== (string)$expected) {
return true;
}
$expected++;
}
return false;
}
}
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