libxml Functions

Introduction

These functions/constants are available since PHP 5.1.0 and if you have compiled one of the extensions based on libxml, like DOM, SimpleXML and XSLT.

Requirements

This extension requires » libxml >= 2.6.0.

Predefined Classes

Predefined Constants

The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.

LIBXML_COMPACT (integer)

Activate small nodes allocation optimization. This may speed up your application without needing to change the code.

Note: Only available in Libxml >= 2.6.21

LIBXML_DTDATTR (integer)

Default DTD attributes

LIBXML_DTDLOAD (integer)

Load the external subset

LIBXML_DTDVALID (integer)

Validate with the DTD

LIBXML_NOBLANKS (integer)

Remove blank nodes

LIBXML_NOCDATA (integer)

Merge CDATA as text nodes

LIBXML_NOEMPTYTAG (integer)

Expand empty tags (e.g. <br/> to <br></br>)

Note: This option is currently just available in the DOMDocument->save() and DOMDocument->saveXML() functions.

LIBXML_NOENT (integer)

Substitute entities

LIBXML_NOERROR (integer)

Suppress error reports

LIBXML_NONET (integer)

Disable network access when loading documents

LIBXML_NOWARNING (integer)

Suppress warning reports

LIBXML_NOXMLDECL (integer)

Drop the XML declaration when saving a document

Note: Only available in Libxml >= 2.6.21

LIBXML_NSCLEAN (integer)

Remove redundant namespaces declarations

LIBXML_XINCLUDE (integer)

Implement XInclude substitution

LIBXML_ERR_ERROR (integer)

A recoverable error

LIBXML_ERR_FATAL (integer)

A fatal error

LIBXML_ERR_NONE (integer)

No errors

LIBXML_ERR_WARNING (integer)

A simple warning

LIBXML_VERSION (integer)

libxml version like 20605 or 20617

LIBXML_DOTTED_VERSION (string)

libxml version like 2.6.5 or 2.6.17