New Functions
Removed Extensions
Migrating from PHP 5.1.x to PHP 5.2.x
PHP Manual

## New Methods

New methods were introduced in 5.2.0:

dom:

- DOMDocument::registerNodeClass() - Register extended class used to create base node type
- DOMElement::setIDAttribute() - Declares the attribute specified by name to be of type ID
- DOMElement::setIDAttributeNode() - Declares the attribute specified by node to be of type ID
- DOMElement::setIDAttributeNS() - Declares the attribute specified by local name and namespace URI to be of type ID
- DOMNode::C14N([bool exclusive [, bool with_comments [, array xpath [, array ns_prefixes]]]]) - Canonicalize nodes to a string
- DOMNode::C14NFile(string uri [, bool exclusive [, bool with_comments [, array xpath [, array ns_prefixes]]]]) - Canonicalize nodes to a file
- DOMNode::getNodePath() - Gets an xpath for a node

soap:

- SoapServer::setObject(object obj) - Sets object which will handle SOAP requests

spl:

- int ArrayObject::asort(void) - Sort the entries by values
- int ArrayObject::ksort(void) - Sort the entries by key
- int ArrayObject::natcasesort(void) - Sort the entries by key using case insensitive "natural order" algorithm.
- int ArrayObject::natsort(void) - Sort the entries by values using "natural order" algorithm.
- int ArrayObject::uasort(callback cmp_function) - Sort the entries by values using a user defined function
- int ArrayObject::uksort(callback cmp_function) - Sort the entries by key using a user defined function.
- ArrayIterator AppendIterator::getArrayIterator() - Get access to inner ArrayIterator
- int AppendIterator::getIteratorIndex() - Get index of iterator
- bool CachingIterator::getCache() - Return the cache
- int CachingIterator::getFlags() - Return the internal flags
- bool CachingIterator::offsetExists(mixed index) - Returns `TRUE` if the requested index exists
- string CachingIterator::offsetGet(mixed index) - Return the internal cache if used
- void CachingIterator::offsetSet(mixed index, mixed newval) - Set given index in cache
- void CachingIterator::offsetUnset(mixed index) - Unset given index in cache
- void CachingIterator::setFlags() - Set the internal flags
- array("delimiter" =>, "enclosure" =>) SplFileObject::getCsvControl(void) - Get the delimiter and enclosure character used in fgetcsv()
- void SplFileObject::setCsvControl([string delimiter = ',' [, string enclosure = '"']]) - Set the delimiter and enclosure character used in fgetcsv()

Tidy

- tidyNode tidyNode::getParent(void) - Returns the parent node of the current node (Added in PHP 5.2.2)

XMLReader

- boolean XMLReader::setSchema(string filename) - Use W3C XSD schema to validate the document as it is processed. Activation is only possible before the first Read()

zip:

- ZipArchive::addEmptyDir() - Creates an empty directory in the archive

New Functions
Removed Extensions
Migrating from PHP 5.1.x to PHP 5.2.x
PHP Manual