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The XMLReader class

(PHP 5 >= 5.1.0)

Introduction

The XMLReader extension is an XML Pull parser. The reader acts as a cursor going forward on the document stream and stopping at each node on the way.

Class synopsis

XMLReader {
/* Constants */
const int NONE = 0 ;
const int ELEMENT = 1 ;
const int ATTRIBUTE = 2 ;
const int TEXT = 3 ;
const int CDATA = 4 ;
const int ENTITY_REF = 5 ;
const int ENTITY = 6 ;
const int PI = 7 ;
const int COMMENT = 8 ;
const int DOC = 9 ;
const int DOC_TYPE = 10 ;
const int DOC_FRAGMENT = 11 ;
const int NOTATION = 12 ;
const int WHITESPACE = 13 ;
const int SIGNIFICANT_WHITESPACE = 14 ;
const int END_ELEMENT = 15 ;
const int END_ENTITY = 16 ;
const int XML_DECLARATION = 17 ;
const int LOADDTD = 1 ;
const int DEFAULTATTRS = 2 ;
const int VALIDATE = 3 ;
const int SUBST_ENTITIES = 4 ;
/* Properties */
public readonly int $attributeCount ;
public readonly string $baseURI ;
public readonly int $depth ;
public readonly bool $hasAttributes ;
public readonly bool $hasValue ;
public readonly bool $isDefault ;
public readonly bool $isEmptyElement ;
public readonly string $localName ;
public readonly string $name ;
public readonly string $namespaceURI ;
public readonly int $nodeType ;
public readonly string $prefix ;
public readonly string $value ;
public readonly string $xmlLang ;
/* Methods */
public bool close ( void )
public DOMNode expand ([ DOMNode $basenode ] )
public string getAttribute ( string $name )
public string getAttributeNo ( int $index )
public string getAttributeNs ( string $localName , string $namespaceURI )
public bool getParserProperty ( int $property )
public bool isValid ( void )
public bool lookupNamespace ( string $prefix )
public bool moveToAttribute ( string $name )
public bool moveToAttributeNo ( int $index )
public bool moveToAttributeNs ( string $localName , string $namespaceURI )
public bool moveToElement ( void )
public bool moveToFirstAttribute ( void )
public bool moveToNextAttribute ( void )
public bool next ([ string $localname ] )
public bool open ( string $URI [, string $encoding [, int $options = 0 ]] )
public bool read ( void )
public string readInnerXML ( void )
public string readOuterXML ( void )
public string readString ( void )
public bool setParserProperty ( int $property , bool $value )
public bool setRelaxNGSchema ( string $filename )
public bool setRelaxNGSchemaSource ( string $source )
public bool setSchema ( string $filename )
public bool xml ( string $source [, string $encoding [, int $options = 0 ]] )
}

Properties

attributeCount

The number of attributes on the node

baseURI

The base URI of the node

depth

Depth of the node in the tree, starting at 0

hasAttributes

Indicates if node has attributes

hasValue

Indicates if node has a text value

isDefault

Indicates if attribute is defaulted from DTD

isEmptyElement

Indicates if node is an empty element tag

localName

The local name of the node

name

The qualified name of the node

namespaceURI

The URI of the namespace associated with the node

nodeType

The node type for the node

prefix

The prefix of the namespace associated with the node

value

The text value of the node

xmlLang

The xml:lang scope which the node resides

Predefined Constants

XMLReader Node Types

XMLReader::NONE

No node type

XMLReader::ELEMENT

Start element

XMLReader::ATTRIBUTE

Attribute node

XMLReader::TEXT

Text node

XMLReader::CDATA

CDATA node

XMLReader::ENTITY_REF

Entity Reference node

XMLReader::ENTITY

Entity Declaration node

XMLReader::PI

Processing Instruction node

XMLReader::COMMENT

Comment node

XMLReader::DOC

Document node

XMLReader::DOC_TYPE

Document Type node

XMLReader::DOC_FRAGMENT

Document Fragment node

XMLReader::NOTATION

Notation node

XMLReader::WHITESPACE

Whitespace node

XMLReader::SIGNIFICANT_WHITESPACE

Significant Whitespace node

XMLReader::END_ELEMENT

End Element

XMLReader::END_ENTITY

End Entity

XMLReader::XML_DECLARATION

XML Declaration node

XMLReader Parser Options

XMLReader::LOADDTD

Load DTD but do not validate

XMLReader::DEFAULTATTRS

Load DTD and default attributes but do not validate

XMLReader::VALIDATE

Load DTD and validate while parsing

XMLReader::SUBST_ENTITIES

Substitute entities and expand references

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