/**
* serialize data
*
* @access public
* @param mixed $data data to serialize
* @return boolean true on success, pear error on failure
*/
function serialize($data, $options = null)
{
// if options have been specified, use them instead
// of the previously defined ones
if (is_array($options)) {
$optionsBak = $this->options;
if (isset($options['overrideOptions']) && $options['overrideOptions'] == true) {
$this->options = array_merge($this->_defaultOptions, $options);
} else {
$this->options = array_merge($this->options, $options);
}
} else {
$optionsBak = null;
}
// start depth is zero
$this->_tagDepth = 0;
$this->_serializedData = '';
// serialize an array
if (is_array($data)) {
if (isset($this->options['rootName'])) {
$tagName = $this->options['rootName'];
} else {
$tagName = 'array';
}
$this->_serializedData .= $this->_serializeArray($data, $tagName, $this->options['rootAttributes']);
}
// add doctype declaration
if ($this->options['addDoctype'] === true) {
$this->_serializedData = PEAR_PackageFile_Generator_v2_XML_Util::getDoctypeDeclaration($tagName, $this->options['doctype']) . $this->options['linebreak'] . $this->_serializedData;
}
// build xml declaration
if ($this->options['addDecl']) {
$atts = array();
if (isset($this->options['encoding'])) {
$encoding = $this->options['encoding'];
} else {
$encoding = null;
}
$this->_serializedData = PEAR_PackageFile_Generator_v2_XML_Util::getXMLDeclaration('1.0', $encoding) . $this->options['linebreak'] . $this->_serializedData;
}
if ($optionsBak !== null) {
$this->options = $optionsBak;
}
return true;
}
