DOM XML (PHP 4)
PHP Manual

预定义常量

下列常量由此扩展定义,且仅在此扩展编译入 PHP 或在运行时动态载入时可用。

XML constants
Constant Value Description
XML_ELEMENT_NODE (integer) 1 Node is an element
XML_ATTRIBUTE_NODE (integer) 2 Node is an attribute
XML_TEXT_NODE (integer) 3 Node is a piece of text
XML_CDATA_SECTION_NODE (integer) 4  
XML_ENTITY_REF_NODE (integer) 5  
XML_ENTITY_NODE (integer) 6 Node is an entity like  
XML_PI_NODE (integer) 7 Node is a processing instruction
XML_COMMENT_NODE (integer) 8 Node is a comment
XML_DOCUMENT_NODE (integer) 9 Node is a document
XML_DOCUMENT_TYPE_NODE (integer) 10  
XML_DOCUMENT_FRAG_NODE (integer) 11  
XML_NOTATION_NODE (integer) 12  
XML_GLOBAL_NAMESPACE (integer) 1  
XML_LOCAL_NAMESPACE (integer) 2  
XML_HTML_DOCUMENT_NODE (integer)    
XML_DTD_NODE (integer)    
XML_ELEMENT_DECL_NODE (integer)    
XML_ATTRIBUTE_DECL_NODE (integer)    
XML_ENTITY_DECL_NODE (integer)    
XML_NAMESPACE_DECL_NODE (integer)    
XML_ATTRIBUTE_CDATA (integer)    
XML_ATTRIBUTE_ID (integer)    
XML_ATTRIBUTE_IDREF (integer)    
XML_ATTRIBUTE_IDREFS (integer)    
XML_ATTRIBUTE_ENTITY (integer)    
XML_ATTRIBUTE_NMTOKEN (integer)    
XML_ATTRIBUTE_NMTOKENS (integer)    
XML_ATTRIBUTE_ENUMERATION (integer)    
XML_ATTRIBUTE_NOTATION (integer)    
XPATH_UNDEFINED (integer)    
XPATH_NODESET (integer)    
XPATH_BOOLEAN (integer)    
XPATH_NUMBER (integer)    
XPATH_STRING (integer)    
XPATH_POINT (integer)    
XPATH_RANGE (integer)    
XPATH_LOCATIONSET (integer)    
XPATH_USERS (integer)    
XPATH_NUMBER (integer)    

DOM XML (PHP 4)
PHP Manual