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

`LibXMLError`

Properties

code - the error's code
column - the column where the error occurred. Please note that this property isn't entirely implemented in libxml and therefore 0 is often returned.
file - the filename, or empty if the XML was loaded from a string
level - the severity of the error (one of the following constants: LIBXML_ERR_WARNING, LIBXML_ERR_ERROR or LIBXML_ERR_FATAL)
line - the line where the error occurred
message - the error message

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

Table of Contents

libxml_clear_errors — Clear libxml error buffer
libxml_get_errors — Retrieve array of errors
libxml_get_last_error — Retrieve last error from libxml
libxml_set_streams_context — Set the streams context for the next libxml document load or write
libxml_use_internal_errors — Disable libxml errors and allow user to fetch error information as needed

libxml Functions

Introduction

Requirements

Predefined Classes

LibXMLError

Properties

Predefined Constants

Change Language

`LibXMLError`