These functions are only available if PHP was configured with --with-dom=[DIR], using the GNOME xml library. You will need at least libxml-2.0.0 (the beta version will not work). These functions have been added in PHP4.
This module defines the following constants:
Table 1. XML constants
| Constant | Value | Description |
|---|---|---|
| XML_ELEMENT_NODE | 1 | |
| XML_ATTRIBUTE_NODE | 2 | |
| XML_TEXT_NODE | 3 | |
| XML_CDATA_SECTION_NODE | 4 | |
| XML_ENTITY_REF_NODE | 5 | |
| XML_ENTITY_NODE | 6 | |
| XML_PI_NODE | 7 | |
| XML_COMMENT_NODE | 8 | |
| XML_DOCUMENT_NODE | 9 | |
| XML_DOCUMENT_TYPE_NODE | 10 | |
| XML_DOCUMENT_FRAG_NODE | 11 | |
| XML_NOTATION_NODE | 12 | |
| XML_GLOBAL_NAMESPACE | 1 | |
| XML_LOCAL_NAMESPACE | 2 |
This module defines a number of classes. The DOM XML functions return a parsed tree of the XML document with each node being an object belonging to one of these classes.